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三十四点九六除以三点二乘以零点二五简便方法怎么算

原式 =3.84x9.6+0.96x61.6 =3.84x9.6+0.96x10x6.16 =3.84x9.6+9.6x6.16 =(3.84+6.16)x9.6 =10x9.6 =96

14.4+85.6×0.32+68×0.856 =14.4+0.856×0.32+68×0.856 =14.4+0.856×(32+68) =14.4+0.856×100 =14.4+85.6 =100

后面那个是除还是除以

题干不全,无法作答

薇薇一笑倾城

一百二十乘七又五分之三加一百一十一除以二十四分之五加十点二乘七十六 =120×7.6+111×4.8+10.2×76 =120×7.6+102×7.6+111×4.8 =(120+102)×7.6+111×4.8 =222×7.6+111×4.8 =111×7.6×2+111×4.8 =111×(15.2+4.8) =111×20 =2220

十三点七乘零点四减二十五点八乘八点四加三十七点九乘一点六简便运算 13.7*0.4-25.8*8.4+37.9*1.6 =5.48-216.72+60.64 =-150.6 没有简算

十除以八加上三点九六乘以百分之十二点五加上二点零四乘以八分之一简便计算 10/8+3.96*0.125+2.04*1/8 =10*1/8+3.96*1/8+2.04*1/8 =(10+3.96+2.04)*1/8 =16/8=2

原式 =4.27÷26.8x3.59÷42.7x2.68÷35.9 =(4.27÷42.7)x(3.59÷35.9)x(2.68÷26.8) =0.1x0.1x0.1 =0.001

原式 49.8x2.73+2.73x50.3+0.273 =49.8x2.73+2.73x50.3+2.73x0.1 =2.73x(49.8+50.3+0.1) =2.73x(100.1+0.1) =2.73x100.2 =2.73x100+2.73x0.2 =273+0.546 =273.546

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