1.76加0点1目录
7.6×1点1 4点4×0点6的简算方法
7.6*1.1 4.4*0.6
=1.1*7.6 1.1*4*0.6
=1.1*7.6 1.1*2.4
=1.1*（7.6 2.4）
=1.1*10
=11
76×1/8加24×0点125
=76×0.125 24×0.125
=（76 24）×0.125
=100×0.125
=0.1
0点76减九分之二加1点24减9分之七
=(0.76 1.24)-(2/9 7/9)
=2-1
=1
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