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三点六乘二点七加十八乘零点五六加一点八乘百分之...

3.6*2.7+18*0.56+180÷10%=1.8*5*2.7+1.8*10*0.56+1.8*100*10=1.8*13.5+1.8*5.6+1.8*1000=1.8*(13.5+5.6+1000)=1.8*1019.1=1834.38

2.5x0.8一1.8x0.5简便运算 =0.5x5x0.8一1.8x0.5 =0.5x(5x0.8一1.8) =0.5x(4一1.8) =0.5x2.2 =1.1

六点三乘七点五加零点二六三乘二点七有简便运算吗6.3*7.5+0.263*2.7=47.25+0.7101=47.9601

一点二五乘七分之一加八分之一乘二点六加零点三七五 1.25x1/7+1/8x2.6+0.375 =10X1/8x1/7+1/8(2.6+3) =1/8(10/7+2.9) =303/560

(3.56x38.5)+(0.7x356)+(9.15x35.6)=137.06+249.2+325.74=712

5分之3*8.8+0.6*5分之1+60%=0.6*8.8+0.6*0.2+0.6=0.6*(8.8+0.2+1)=0.6*10=6

8.7*3.6+0.36=0.36*(8.7*10+1)=0.36*88=31.68

13109660188,你好:18*3/7+0.65*8/13-2/7*18+12/13÷1又7/13 =18*(3/7-2/7)+13/20*8/13+12/13*13/20 =18*1/7+13/20*(8/13+12/13) =18/7+13/20*20/13 =2又4/7+1 =3又4/7

6.8*0.41+0.59*3.4*2=6.8*0.41+0.59*6.8=6.8*(0.41+0.59)=6.8*1=6.8

八又五分之三=8.6 八又五分之三乘二点七加六十二乘零点一四加三十五成零点八六=8.6*2.7+62*0.14+35*0.86=8.6*2.7+35*0.86+62*0.14=0.86*2.7+35*0.86+62*0.14=0.86*(27+35)+62*0.14=0.86*62+62*0.14=62*(0.86+0.14)=62*1=62

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