分数乘法简便运算练习题(最新整理)

1、乘法结合律和交换律3 1 52 1 34 5185 16 215 4 145634975137232748 4521746（）（12534）27541830179271425532522554321647545751067535598乘法分配律7 1-）60(3+8)18(5-5)186 （2+71251896951830（） 5（ +）27（+）1（7-12059 279324205 218 4（+248）20（ 15 - 3） 61623+ 255（ + ）（(-)18） 25+）248156935 2569+）（ + 7 5312（+43 17 ）（1 3353 3 + 3 224 64

2、17425 74 545乘法分配律4 6 3 655 516 7 6275+ + -6 + 6713 71369 96135 1351212223 534 6 3 63743 +3 30.921.410.928.59274 27471371381111816 7- 3 71.311.61.61.39 11.618.4 921 3 4 2151351355775 3 + 5 52 7+ 2 54344 1025 83 2.5788733585 63 1011006 7877528273436353212033735634652927 24341226 30 272535132731281 37

3、1553（ +）7 5（-）5 12(-)618（ +4 ） 255 712569548218 418(+)79+） 54（ +）273（+）247920 59 272432+3）208312（2 1-） (5-5)1823 99 +32083 66955（7-1）6106 5（2+7）（7-1）6030（2+712518301251830（）77101-77101-6612+5 7 52 20+ 210101010131388330.92990.9214 7 - 71.3111.39 19 95 13+ 513135577665 5333 312+17 +27+23 +13 139 9444

4、 4714636简便运算3227212（-）60+25 8(15)32125713713827281587 + -333 1 3153103333 99 +551843 25(-)3214214455695577347132272101-36（-）6025 8(15)1010351258272815分数混合计算练习题1（7 -2）（3+21） 501-5211346352514253551 6+41（5 -2）22+915212 4663510107257 6 512125 4 313781 ( 5 4 )245546-794“”“”at the end, xiao bian gives yo

5、u a passage. minand once said, people who learn to learn are very happy people. in every wonderful life, learning is an eternal theme. as a professional clerical and teaching position, i understand the importance of continuous learning, life is diligent, nothing can be gained, only continuous learning can achieve better self. only by constantly learning and mastering the latest relevant knowledge, can employees from all walks of life keep up with the pace of enterprise development and innovate to meet the needs of the market. this document is also edited by my studio profes