9x-30.5=24.4
x=6.1過程9x-30.5=24.49x=24.4+30.59x=54.9x=54.9/9x=6.1
x的9倍比30.5多24.4,求x
x的9倍比30.5多24.4,求x
要用方程呀。
要用方程呀。
其他人氣：136 ℃時間：2020-10-01 20:57:41
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