x-3.5=9.01。解方程?
2个回答
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解:解方程, 此方程的解为x = 1251/100,【即x = 12.51】
x-3.5=9.01
x = 9.01 + 3.5
x = (9×100+1)/100 + (3×10+5)/10
x = 901/100 + 35/10
x = 901/100 + 350/100
x = (901+350)/100
x = 1251/100
∴x = 12.51
答:此方程的解为x = 1251/100,【即x = 12.51】
x-3.5=9.01
x = 9.01 + 3.5
x = (9×100+1)/100 + (3×10+5)/10
x = 901/100 + 35/10
x = 901/100 + 350/100
x = (901+350)/100
x = 1251/100
∴x = 12.51
答:此方程的解为x = 1251/100,【即x = 12.51】
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