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3/4×0点七五+1/4乘以0.75加75%用简便方法计算

0.75=3/4, 3/4×9加2/5×0点七五 =3/4×9+2/5×3/4 =3/4×(9...

解:原式=83/10×3/4+3/4×7/10 =(83/10+7/1...

64X0.75+(-3/4)X3.7-75% =0.75X(64-3.7-1) =0.75X(6...

3/4x40%+0.75x3/5 =3/4x2/5+3/4x3/5 =3/4x(2/5+3/5)...

5/9×0点七五+3/4等于简便计算 5/9×0.75+3/4 =5/9×3/4+3/4 =(...

您好! 75 X 3/4 +0.75 X 26 - 3/4 =75 X 0.75 +0.75 X...

3/4×26+0点七五×73+4分之三 =3/4×26+0.75×73+3/4 =3/4×26+...

0.78+4×3.75=15.78 回答完毕~ 有疑问请追问~无疑问请点击【采纳】~ 祝学习进...

化小数为分数,再约分: (-4/3)×0.75 =-4/3×3/4 =-1。

75%×5+4分之3-0.75×2 =0.75X5+0.75-0.75x2 =0.75X(5+1...

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