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数学
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解方程:例如:15÷(x-4)=3解:x-4=15÷3 x-4=5 x=4+5 x=9
按照以上帮我把这些解了,4x=8+32 (x-9)÷4=3 (7+x)x6=60 1.5x=6 (以上的x是埃克斯,不是乘)
人气:477 ℃ 时间:2020-04-30 15:11:13
解答
4x=8+32
4x=40
x=40÷4
x=10
(x-9)÷4=3
x-9=4x3
x-9=12
x=9+12
x=21
(7+x)x6=60
x+7=60÷6
x+7=10
x=10-7
x=3
1.5x=6
x=6÷1.5
x=4
如果本题有什么不明白可以追问,嗯,谢谢你,不过我们老师说什么这又是一个除法算式啊什么的,我都听不懂,这里包含了吗?
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