解方程30%(x+100)=45%x+2的下列各式,其中正确的是().A.30(X+100)=45X+2B.2(X1+100)=3X+2C.30(X+100)=45X+200D.2(X+100)=3X+200
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![解方程30%(x+100)=45%x+2的下列各式,其中正确的是().A.30(X+100)=45X+2B.2(X1+100)=3X+2C.30(X+100)=45X+200D.2(X+100)=3X+200](/uploads/image/z/5182455-39-5.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B30%25%EF%BC%88x%2B100%EF%BC%89%3D45%25x%2B2%E7%9A%84%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%2C%E5%85%B6%E4%B8%AD%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF%EF%BC%88%EF%BC%89.A.30%28X%2B100%29%3D45X%2B2B.2%28X1%2B100%29%3D3X%2B2C.30%28X%2B100%29%3D45X%2B200D.2%28X%2B100%29%3D3X%2B200)
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解方程30%(x+100)=45%x+2的下列各式,其中正确的是().A.30(X+100)=45X+2B.2(X1+100)=3X+2C.30(X+100)=45X+200D.2(X+100)=3X+200
解方程30%(x+100)=45%x+2的下列各式,其中正确的是().
A.30(X+100)=45X+2
B.2(X1+100)=3X+2
C.30(X+100)=45X+200
D.2(X+100)=3X+200
解方程30%(x+100)=45%x+2的下列各式,其中正确的是().A.30(X+100)=45X+2B.2(X1+100)=3X+2C.30(X+100)=45X+200D.2(X+100)=3X+200
两边乘100
得到30(X+100)=45X+200
选C
解方程30%(x+100)=45%x+2的下列各式,其中正确的是(C)