> 数学 >
15+2x-3=48怎么解?谢谢谢谢!
人气:487 ℃ 时间:2020-08-20 14:28:50
解答
15+2X-3=48
15+2X =48+3
15+2X =51
2X =51-15
2X =36
X =36除以2
X =18
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版