120%X—X=4.
问题描述:
120%X—X=4.
答
1.2X-X=4.8
0.2X=4.8
X=4.8÷0.2
X=24
120%X—X=4.
1.2X-X=4.8
0.2X=4.8
X=4.8÷0.2
X=24