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1、学习好资料欢迎下载分数加减混和运算710 - 15 = 13 - 52457 + 51423 + 14 =6554=59 - 2514 + 1558 + 1345 + 2 = 1 - 27 = 9295= 7275= 8581= 6561= 107101= 9792= 5153= 1211129= 153= 7471= 8783= 5453= 5353= 8531= 2151= 4371= 4183= 7461= 5181= 8765= 9221= 7632= 10341= 7391= 3151= 6141= 7551= 775= 51+83= 151431= 43+65= 514174734
2、54341879295731615115815413125781214134523= 514= 818556497101535145- 41= 1-15-54= 512 + 712 = 78 + 18 = 2 + 49 = 430.25= 3732= 89 + 16 = 34 + 516 = 16 + 15 = 31+41= 51-61= 0.74+5221512= 431274350.375+851精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 1 页,共 10 页 - - - - - - - - -
3、- 学习好资料欢迎下载53613121121717632613121413151312116375151539195103107913235 + 15 = 93921251286513121828776441835154211094132 1 35 = 7929 = 78 + 18 = 5241= 2141= 107+ 51= 1 43= 21+ 65= 31- 91= 7521= 125121= 32+5143+4111322 =71141710 - 310 = 25 + 35 = 57 + 514 = 34 + 17 = 5251838531211515341111411710121319
4、5135+136= 8781= 51611271229298158311112163161375214383755= 543= 0.32= 12.58= 80.4 2.5 4= 7-6.38360.9 = 50.001 = 1360 = 0.80.02 =0.36+1.5413550.6 2= 4.80.6= 1.7+3= 0.73.5= 1.25 16= 9.632= 20.09= 26.2626= 4.576.43= 50.001= 2.54= 0.481201.01994.3-1.6= 0.9 7= 0.6+7= 0.220.5 1.258= 0.9100= 0.64 16= 10-9.
5、12= 0.8125= 3.21.78四、计算下面各题,能简算的要简算。8.5 0.24 1.76 7.9117.9 3.14327.5( 2.53.8)51.4 - 0.45 0.8 125-10 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 2 页,共 10 页 - - - - - - - - - - 学习好资料欢迎下载10-4.8-3.2 7.81.17 7.8 0.17 2.65 1.7+1.35 1.7 2.7 2-0.45 0.25101 3.2527+733.25 38.7-7.841.4
6、 8.8-2.51.8 49 0.25 1.25 0.25 3.2 788.5 220.5 15-512- 7125210318361242315 + 35 - 45 = 78 - 29 + 18 = 58 + 45 - 38 + 15 ) 0.25+ 1115 + 34 + 4157151921 + 221 10712 - 512871256134(52103)754114943638595(4321)101835253(15231)6(4352)54- (81+ 41) 83+ 74+ 856171516121611315 - 16 + 56 25 - 512 - 71823 + 16 -
7、 51272- (72- 81) 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 3 页,共 10 页 - - - - - - - - - - 学习好资料欢迎下载5949556341356 + 49 + 5912 + (2314)41512112781345197549231653275722)2185(85)2143(92)4152(10932(2141)52315376118113139(1332612)2616551+65+5412141)5231(151314515= 234513= 54+31+
8、511511+ 114+154= 4131413279818375158(158187)3 - 14 - 13 - 34精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 4 页,共 10 页 - - - - - - - - - - 学习好资料欢迎下载4514139103203151712342728131457256237121514512756156 313 1121.875 0.25232017203209= 928385= 141145143= 414143= 13231= 5627165823564
9、451545(1214)342714272-14 - 13 - 34 0.8+58 +0.2 125(12121)54(8341) 27374214161853112511158385951279487431211精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 5 页,共 10 页 - - - - - - - - - - 学习好资料欢迎下载3(1921 - 914 ) 6(4352)61523152315331524315410354)4183(434.8+1491+1.2 1211+85+83+1219
10、781+9283156115151111671+927497125.054187545169831678123 + 45 -(45 - 15 ) 715 + 1115 -(310 + 1115 )154+ 97- 154+ 92342714273183853295619542精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 6 页,共 10 页 - - - - - - - - - - 学习好资料欢迎下载136731377285121183121711 + 15 + 411 + 2516 +57 +56 +
11、725210753528387194191528323261251076(61121))1272953(24199(981910))1071375.1(2.8)412.3(8.0324)625.031(857158215715251583115894529552986143431256116183135 + 135 + 13579 +23 - 4995749498(3221)871256134(52103)21(4383)精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 7 页,共 10 页 - - - -
12、 - - - - - - 学习好资料欢迎下载5949532(2141)3(914 + 67)910(3416)3141651541575127572= )5243(107541033221(4383)65(2131)453101510(2312)451613951019432+ 5132+ 51= (2017+103)(2017107)2425413513413311751315315.05.0311211858112127427354(1072013)+109(6132)精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - -
13、 - - -第 8 页,共 10 页 - - - - - - - - - - 学习好资料欢迎下载解方程 2x+584.625 14 + x = 1112209518743x395X35= 710X + 53 = 8712783x72x = 2111 x + 34 = 111273=436. 98. 044x8743x83X=12717 + 12 + x = 23x + (13 + 34)=2 x+0.75- 350.15 x16 = 35 0.5+4.5x=45.5 9792xX4.5 = 20 5x3x= 3.2 5.5X-3X 15 X31=722X51=1- 513x29 =19 2.7
14、X1.6 = 38.9 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 9 页,共 10 页 - - - - - - - - - - 学习好资料欢迎下载x125=247274x6561x52158x - 316 = 587231x1)5443(x32 = 1214X316165 4x - 13 =2- 13 89.1 22.9 3x 142 11 8X0.75 5=0.25 3.8x-0.8x=27 56 -x 12651211x831613x6598x416597x= 27434x3101316 - x= 3843X611855416x43153x326x = 4.2 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 10 页,共 10 页 - - - - - - - - - -