2x-3.4=6.5怎么解
问题描述:
2x-3.4=6.5怎么解
答
2x-3.4=6.5
2x=6.5+3.4
2x=9.9
x=9.9/2
x=4.95
2x-3.4=6.5怎么解
2x-3.4=6.5
2x=6.5+3.4
2x=9.9
x=9.9/2
x=4.95