7.2加2.8乘4.5减3.5
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您好,7.2加2.8乘4.5减3.57.2+2.8*4.5题解如下,
咨询记录 · 回答于2022-10-08
7.2加2.8乘4.5减3.5
简便计算
您好,7.2加2.8乘4.5减3.57.2+2.8*4.5题解如下,
7.2加2.8乘4.5减3.5
7.2+2.8*4.5(7.2+2.8)*4.510*4.545
能看清楚吗
7.2+2.8*4.5-3.5
对
好的亲
:7.2+2.8*4.5-3.5 =7.2+(3-0.2)*4.5-3.5 =7.2+3*4.5-0.2*4.5-3.5 =7.2+13.5-0.9-3.5 =20.7-0.9-3.5 =19.8-3.5
=16.3
?
7.2+2.8*4.5-3.5 =7.2+(3-0.2)*4.5-3.5 =7.2+3*4.5-0.2*4.5-3.5 =7.2+13.5-0.9-3.5 =20.7-0.9-3.5 =19.8-3.5=16.3
7.2加2.8乘4.5减3.5
7.2+2.8*4.5-3.5 =7.2+(3-0.2)*4.5-3.5 =7.2+3*4.5-0.2*4.5-3.5 =7.2+13.5-0.9-3.5 =20.7-0.9-3.5 =19.8-3.5=16.3
是的,