9.6/0.6/4简便计算?.0.89x1.25-0.9x0.125简便计算
问题描述:
9.6/0.6/4简便计算?.0.89x1.25-0.9x0.125简便计算
答
9.6/0.6/4
=9.6÷(0.6x4)
=9.6÷2.4
=4
0.89x1.25-0.9x0.125
=8.9x0.125-0.9x0.125
=0.125x(8.9-0.9)
=0.125x8
=1