0.36*72+36*0.28简便运算30分钟内要!

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0.36*72+36*0.28简便运算30分钟内要!
0.36*72+36*0.28简便运算
30分钟内要!

0.36*72+36*0.28简便运算30分钟内要!
0.36*72+36*0.28
=0.36*72+0.36*28
=0.36*(72+28)
=0.36*100
=36

0.36*72+36*0.28
=36*0.72+36*0.28
=36*(0.72+0.28)
=36*1
=36