20.4-60%X=4.6 怎么算?
问题描述:
20.4-60%X=4.6 怎么算?
答
20.4-60%X=4.6
0.6X=20.4-4.6
0.6X=15.8
X=15.8/0.6
X=79/3
答
20.4-60%X=4.6
0.6X=20.4-4.6
0.6X=15.8
X=15.8÷0.6
X=26又3分之1