1.200x=1500-300x
500x=1500
x=3
2.-25-[-4+(1-0.2*0.2)÷(-2)] = -25[-4+096÷(-2)]
=-25-[-4-0.48]
=-25+4.48
=20.52
来大神帮我解方程
来大神帮我解方程
这两方程咋解:
4×50X=300(5-X)
-5²-[-4+(1-0.2×五分之一)÷(-2)]
这两方程咋解:
4×50X=300(5-X)
-5²-[-4+(1-0.2×五分之一)÷(-2)]
数学人气:193 ℃时间:2020-01-28 09:44:39
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