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0.25×6.4×1.25怎么脱式计算?

0.25×6.4×1.25 =0.25×8x0.8×1.25 =(0.25×8)x(0.8×1.25) =2x1 =2 希望帮到你 望采纳 谢谢 加油

1.25×6.4 =(1.25x8)x0.8 =10x0.8 =8 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问。谢谢。

1.02×6.4=6.528 回答完毕~~ 有疑问请追问,无疑问请点击【采纳】~ 祝学习进步~~~\(^o^)/~

3.6×18.7+18.7×6.4 =18.7×(3.6+6.4) =18.7×10 =187

0.25x6.47x40 =0.25x40x6.47 =10x6.47 =64.7

1.25乘6.4乘1.3 =1.25*0.8*8*1.3 =10.4 满意采纳

12.5x8x0.8 =100x0,8 =80

(4.9+3.5)x6.4+14x0.36=58.8

①6.4÷(0.3×2+0.2),=6.4÷(0.6+0.2),=6.4÷0.8,=8;②68.1-77.7÷0.7×0.5,=68.1-111×0.5,=68.1-55.5,=12.6;③3.5×5.2+0.35×48,=3.5×5.2+3.5×4.8,=3.5×(5.2+4.8),=3.5×10,=35;④4.05÷0.81+2.4,=5+2.4,=7.4.

=0.65×(6.4+5.4) =0.65×12 =7.8

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