0.24乘5+9.6除12 25.2+74.8乘0.4 1-1/2+4/5 递等式计算

问题描述:

0.24乘5+9.6除12 25.2+74.8乘0.4 1-1/2+4/5 递等式计算

0.24乘5+9.6除12
=1.2+0.8
=2
25.2+74.8乘0.4
=25.2+29.92
=55.12
1-1/2+4/5
=1/2+4/5
=1.3