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1、1 三年级第一学期数学知识整理与汇总一、计算部分(1)一位数与两、三位数相乘 整十、整百数的乘法例:530=150 10700=7000 *5800=4000 【提示:(1)不要漏 0 (2)积末尾 0 的个数应该大于等于两个因数0 个数的总和,积末尾多出来的0 是乘出来的,0 的个数可以作为检验依据】横式计算 79 3=237 2376=1422 70 3=210 2006=1200 93=27 306=180 210+27=237 76=42 1200+180+42=1422【提示:每一步计算不要错误,最后别忘把所有的积都加起来,注意不要漏写】竖式计算(略)估算例 1:488 的积在(32
2、0)和(400)之间,更接近(400)【提示:一位数与两位数乘的估算,把两位数估成接近于原数的两个整十数,然后再乘;如遇这个两位数是94,则估成 90与 100】例 2:3245 的积在(1500)和(2000)之间,更接近(1500)【一位数与三位数乘的估算,把三位数估成接近于原数的两个整百数,然后再乘;如遇这个三位数是967,则估成 900 与 1000】(2)两、三位数被一位数除 一位数被整十、整百数除例:1503=50 3005=60【提示:比较商末尾0 的个数与被除数末尾0 的个数,得出商末尾0 的个数小于等于被除数末尾0 的个数,因为有的0 被除掉了】横式计算745=144 654
3、5=1304 1245=244 505=10 5005=100 1005=20 245=44 1505=30 245=44 45=04【提示:横式计算的一般顺序是:先从被除数中找最大的整百数除以除数,再2 从剩下的数中找最大的整十数除以除数,最后用剩余的数除以除数;注意最后的加法算式不写,且最后的算式商不够1 则可以写成 0 余几的形式】竖式计算(略)【提示:除法的计算方法是:从被除数的最高位除起;一位不够看两位;除到哪位商那位;不够商1 就商 0;余数一定要比除数小。特别注意商中间或末尾有0 除法的竖式写法;知道除法的验算方法是:商除数+余数=被除数;同时要学会在不计算的情况下,正确估出商是
4、几位数】估算例:3244 的商在(80)与(90)之间,更接近于(80)【提示:除法的估算检验的是乘法运算能力,可以思考()4 324,前者找最大整十数,后者找最小整十数】(3)加减混合运算(略)【提示:四则混合运算的方法:要学会递等式计算,计算顺序是先乘除后加减,有括号先算括号内的,注意递等式计算的正确写法,不要随意漏写计算过程】(4)巧算例:129+357+271 355119181 287+299187 =129+271+357 =355(119+181)=287187+299 =400+357 =355300 =100+299 =757 =55 =399 125 678 4735+47
5、65 77787 =125867 =47(35+65)=77778 =100067 =47100 =1118 =67000 =4700 =888 2899+28 36711212367 999+9 =2899+281 =367(11212)=999+91=28(99+1)=367100 =9(99+1)=28100 =36700 =9100 =2800 =900【提示:巧算的判断是重点,而判断巧算的方法是先看运算符号再看题目中的数,很多同学往往直接看题目中的数,所以导致很多看似能巧算但实际不能巧文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2
6、A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M
7、5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN
8、7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J
9、4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK
10、9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10
11、P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档
12、编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y8文档编码:CO2A4Z10M5R8 HN7A3W7J4V5 ZK9K5M10P8Y83 算的题目做错。巧算的方法以以上例题为主,但是三年级并没有出现运算定律一说,所以只能通过观其形来巧算,注意不要漏写过程,特别是最后三题,计算过程的完整可以帮助学生正确解答】二、概念部分(1)乘除法的算理知识(一些变式练习)例 1:3423 中的“4”3=(120)例
13、 2:()7=13(),余数最大是(6),被除数最大是(97)【提示:根据余数要比除数小的道理,因为除数是7,所以余数最大为6,这时的被除数就是:713+6=97】例 3:126()=86,除数是(15)【提示:除数=(被除数余数)商,所以:(1266)8=15,检验 156,除数大于余数即可】例 4:要使 0967 的商是四位数,能填(7、8、9),最小能填(7)【提示:根据除法计算中“一位不够看两位”的特点,决定商是几位数的关键在于被除数的最高位,分析“够除”和“不够除”的特点。这里要看清要求,是填所有数还是填最大或最小数,前者可为多个数,后者只有一个数,且最好不要把“7、8、9”写成“7
14、9”的形式】(2)年月日的知识【提示:一年有12 个月,其中 1、3、5、7、8、10、12 七个月为大月,大月有 31天;4、6、9、11 四个月为小月,小月有30 天;2 月为特殊月,闰年的 2 月有 29 天,平年的 2 月有 28 天;闰年全年 366 天,平年全年 365天。一年分 4 个季度:1、2、3 为第一季度;4、5、6 为第二季度;以此类推,除了第一季度的总天数是平闰年的2 月决定以外,其余三个季度每年的总天数都是不变的。区分平、闰年的方法:一般年份如1996、2004 年,用后两位除以 4,没有余数为闰年,有余数为平年;整百数年份如2000、2400 年,则用前两位除以
15、4,没有余数为闰年,有余数为平年。】(3)各类单位的认识及换算时间单位:时、分、秒 1小时=60 分钟 1分钟=60秒 1小时=3600秒货币单位:元、角、分 1元=10角 1角=10 分 1元=100分文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8
16、Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 H
17、Q9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8
18、Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 H
19、Q9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8
20、Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 H
21、Q9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y34 长度单位:千米(km)、米(m)、分米(dm)、厘米(cm)、毫米(mm)1 千米=1000米 1米=10分米 1分米=10厘米 1厘米=10毫米面积单
22、位:平方千米(km2)、平方米(m2)、平方分米(dm2)、平方厘米(cm2)1 平方千米=10001000=1000000平方米1 平方米=1010=100平方分米1 平方分米=1010=100平方厘米【提示:首先要知道不同单位中相邻单位的位置,其次可以按单位进率分类记忆,不是相邻单位之间的进率是用相邻单位的进率相乘得来的,例如1 小时=6060=3600秒、1 米=1010=100厘米等等】(4)三角形的分类三角形是指由 3 条线段围成的图形,它有3 条边、3 个角。锐角三角形:3 个角都是锐角按角分直角三角形:1 个角是直角,其余是锐角三角形中至少有 2 个锐角钝角三角形:1 个角是钝角
23、,其余是锐角任意三角形:3 条边长短不一,无对称轴按边分等腰三角形:有 2 条边长相等,是轴对称图形,有1 条对称轴等边三角形:3 条边长都相等,也叫正三角形,是特殊的等腰三角形是轴对称图形,有3 条对称轴,且 3 条对称轴相交于三角形中的一点【提示:了解了各类三角形的特点,在判断时,遇到不明确的三角形还是要通过检验才能下结论,例如检验是否直角、检验边长是否相等,切记不要乱猜】(5)轴对称图形文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2
24、X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档
25、编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2
26、X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档
27、编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2
28、X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档
29、编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2
30、X4M6Q3 ZL6Y8T6Q8Y35【提示:正方形4 条对称轴;长方形2 条对称轴;等腰三角形1 条对称轴;等边三角形3 条对称轴;圆有无数条对称轴;要会判断轴对称图形,会画轴对称图形的对称轴】(6)面积知识用数格子的方法数不规则图形的面积【提示:先数整格,再数半格,半格+半格=整格,小半格+大半格=整格,不要数错】长方形、正方形的面积以及变式练习【提示:长方形面积=长宽;长=长方形面积宽;宽=长方形面积长正方形面积=边长边长】组合图形例:【提示:这样的图形我们可以通过割或补的方法,把它们变成若干个长方形或正方形分别求出面积后,再通过加减法得到最终的面积。但是有一点需要注意的是,切割或补成的
31、图形必须要能找到相对应的长、宽或边长,涂过找不到相应条件,这样的割补则是失败的】三、应用(1)通过线段图解答文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:C
32、A6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6
33、Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:C
34、A6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6
35、Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:C
36、A6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6
37、Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y36【提示:通过线段图来表示比多比少、倍数关系(几倍多几、几倍少几)以及求差、求和的应用题,一定要读懂条件与问题,特别是倍数以及比少的那部分,很容易看错,切记读懂看明白再解答】(2)一般应用题文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL
38、6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W
39、6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL
40、6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W
41、6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL
42、6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W
43、6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL
44、6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y37【提示:仔细读题,分析条件关系,利用合理的算式解答;应用题允许分步解答,但是须注意单位名称的使用】四、拓展题(1)植树问题(2)周期问题(3)按要求组数和组算式(4)减法塔文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码
45、:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4
46、M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码
47、:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4
48、M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码
49、:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4
50、M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y3文档编码:CA6V6W6D3K3 HQ9X2X4M6Q3 ZL6Y8T6Q8Y38【提示