
2/3-(X+3/10.)等于1/3。X等于几?
2个回答
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解:解方程,此方程的解为x = 1/30
2/3-(X+3/10)等于1/3
2/3 - x - 3/10 = 1/3
x = 2/3 - 3/10 - 1/3
x = 20/30 - 9/30 - 10/30
x = 11/30 - 10/30
x = (11-10)/30
∴x = 1/30
答:此方程的解为x = 1/30
2/3-(X+3/10)等于1/3
2/3 - x - 3/10 = 1/3
x = 2/3 - 3/10 - 1/3
x = 20/30 - 9/30 - 10/30
x = 11/30 - 10/30
x = (11-10)/30
∴x = 1/30
答:此方程的解为x = 1/30
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