5X减2.4乘5等于8,解方程要过程谢谢

2025-04-22 17:11:26
推荐回答(1个)
回答1:

5X-2.4×5=8 5X-12.5=8 5X-12.5+12.5=8+12.5 5X÷5=20.5÷5 X=4.1