Question

2.7*1.3=()*0.13=0.27*()=0.027*()=()*0.013

Answer 1

2.7*1.3=(27)*0.13=0.27*(13)=0.027*(130)=(270)*0.013

希望对伏汪您有所帮助
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追问

简便
2.5*32*0.125
=
=
0.35*102

4.4*0.25

追答

2.5*32*0.125
=2.5*4*8*0.125
=10*1
=10

0.35*102
=0.35*(100+2)
=0.35*100+0.35*2
=35+0.7
=35.7

4.4*0.25
=(4+0.4)*0.25
=4*0.25+0.4*0.25
=1+0.1
=1.1

Answer 2

晕，我也在找这题的答案啊！老师布置的作业好多的

Answer 3

话说这是四年级还是五年级的来着？人教的吧。。

Answer 4

2.5*32*0.125=2.5*4*（8*0.125）=10*1=10