lclclc06611
幼苗
共回答了17个问题采纳率:100% 举报
3.6*3.6+1.4*3.6
=3.6*(3.6+1.4)
=3.6*5
=18
0.25*0.8*0.125*0.4
=(0.25*0.4)*(0.8*0.125)
=0.1*0.1
=0.01
2.7*1.5-2.7
=2.7*(1.5-1)
=2.7*0.5
=1.35
1.7*102
=1.7*(100+2)
=1.7*100+1.7*2
=170+3.4
=173.4
20.7/0.23/4.5
=(20.7/4.5)/0.23
=4.6/0.23
=20
1年前
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