4.5×1.1×0.2简便计算
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4.5×1.1×0.2简便计算4.5×1.1×0.2简便计算4.5×1.1×0.2简便计算=4.5×0.2×1.1=0.9×1.1=0.99(4.5+0.2)X14.5*1.1*0.2=4.5*0.2
4.5×1.1×0.2简便计算
4.5×1.1×0.2简便计算
4.5×1.1×0.2简便计算
=4.5×0.2×1.1
=0.9×1.1
=0.99
(4.5+0.2)X1
4.5*1.1*0.2
=4.5*0.2*1.1
=0.9*1.1
=0.99
=4.5x0.2x1.1
=0.9x1.1
=0.99
先用4.5乘以0.2然后再算后面的