《小学数学简便运算练习题1.doc》由会员分享,可在线阅读,更多相关《小学数学简便运算练习题1.doc(15页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date小学数学简便运算练习题1(138)125 25134 20(175)小学数学简便运算练习题六年级数学计算题过关练习一班级: 姓名: 总分:怎样简便就怎样算。(40分)(1)3 (2)+(3)+ (4)18(+)(5)7+5 (6)()(24)(7)(+) (8)(+)(1)7+5 (2)()24)(3)(+) (4)(+)() (3217) (25) (2121) (
2、99)9 () ()30 3 4 5841 ()235 - 13518 153 0.653() 10 - - + 25 13.098.124.88 12103450075() ()1511 37.519.52.544+3.25+6.8 12(1+2) 4001258 25(378)()12 12 34(2) 1258.8 4.354.253.653.75 3.4993.4 17.158.471.53 1734 2 0.1250.2532 22.32.455.34.55 (+)72 4.253(21) 187.711187.7 4357.1250.5 () 2.42+4.5843 6.62.5
3、4.6+5.4 2.8+7.2+ (+) +2.25+ + + + 0.75+0.375 5-187.711187.7 48.3- 4.25+6 0.6250.5+62.5% +(-1.8) 2.5(+) 22+2575%-70.75 0.2563.5 2.5- +3.125+ 1125-996(111+999) 56(-) 49.5-(50-)0.6 + 45(+0.6) 89737.5%+1040.375 (5.375) 3.5+1.25+3.8 7199 3755+2996 8439+1001 446+295 888+999 72156-5672 2532125 70999+709 14
4、. 0.2548 2.50.42 299101 563999 26.6+2.56 75.399+75.3 4.63.7+540.37 0.125+8.25+12.5% 8.37-3.25-(1.37+1.75) 210020 1161 154.255 19.826.573.43 4.6+3+6+5.4 4+2.25+5+7 9.632.54 60.253 + + 18(+) 7+5 ()(24)(+) (+) 7+5 ()24) (+) (+)(3217) (25) (2121) (99)9 () ()30 3 4 5841 () 235 - 13518 153 0.653 ()10 - -
5、+ 25 13.098.124.88 12103450075 () ()1511(138)125 20(175) 14205 276382766210226 25(4032) (57)808141256 1625542513431252345 40735 25645 347519992843598(86)1254825125 259468741532 3625 (1525)2 3700218581512252825 125(84) 25(840)12524 2524 162519 32125 44250 12556 2012537242982516 752524 345497 16(3712)
6、 48195219 64125 2548(257)4 321446856 84729747253 60(15500) 24819843519998(1259) 46185418 (40016)5 1704804 10356 13681332 (24)15 5(206)823827 9649629671 5116584 (12512)8 29317317719914 759975 10236 498080230216184 48125(2530)41881252 125(86) 2544 4207556793394(2530) 4(2515075) 1215123225 135415265 5(
7、1820) 5298 99999 365365 3899385(1820) 311282831 (25250)4 (125125)846101人教版小学六年级数学解方程练习题(1)+2.4=6 (2)3.5: =5:4.2 (3)1.8=2.4 (4)=(5)631.8=7.2 (6)175=2.4+3 (7)= (8) =(9)12.62=8 (10)= (11)= (12) +50%=42(13)413=31 (14)4.5+8=27 (15)2+4.33=14 (16) (1)1(17) (18)342.5 (19) (20)1.6:(21)3163102 (22)x:1: (23)47.112.5 (24):0.6:4(25):: (26) 0.329.1 (27) (28)x(29) : : (30): : (31)3+2 (32):0.3: (33)13189.2 (34):0.2580: (35)47.112.5 (36)(37) (38):12 (39) = (40) :=12:3(41)2.40.452=0.3 (42):=:0.1 (43)6.35=4.1 (44)1.25:5=0.75: (45):=:6 (46)2.5=0.6 (47)= (48): =: (49)= (50)+1.2=3.4 (51)4:6=15: (52):=:-