解方程16(1-x)²=9 解方程16(1-x)²=9
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解方程16(1-x)²=9 解方程16(1-x)²=9
解方程16(1-x)²=9
解方程16(1-x)²=9
解方程16(1-x)²=9 解方程16(1-x)²=9
16(1-x)²=9
(1-x)²=9/16
1-x=±3/4
x=1/4或7/4
(1-x)²=9/16
1-x=+-3/4
x=7/4或1/4