1.25×3.2 求简便运算,谢谢!
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1.25×3.2 求简便运算,谢谢!
1.25×3.2 求简便运算,谢谢!
1.25×3.2 求简便运算,谢谢!
125x8x4x0.001
= 1000x4x0.001
= 4000x0.001
=4
1×3.2+0.25×3.2=4 0.25=1/4
1.25x3+1.25x0.2
1.25*8*0.4