10/3-括号,4/9+x括号加上3/4等于10/9等于多少?
2个回答
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解:解方程, 此方程的解为x = 91/36
10/3-括号,4/9+x括号加上3/4等于10/9
10/3 - (4/9 + x) + 3/4 = 10/9
10/3 - 4/9 - x + 3/4 = 10/9
40/12 + 9/12 - x = 10/9 + 4/9
49/12 - x = 14/9
x = 49/12 - 14/9
x = 147/36 - 56/36
∴x = 91/36
答:此方程的解为x = 91/36
10/3-括号,4/9+x括号加上3/4等于10/9
10/3 - (4/9 + x) + 3/4 = 10/9
10/3 - 4/9 - x + 3/4 = 10/9
40/12 + 9/12 - x = 10/9 + 4/9
49/12 - x = 14/9
x = 49/12 - 14/9
x = 147/36 - 56/36
∴x = 91/36
答:此方程的解为x = 91/36
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