Mathematics
Senior High
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□ 137 次の方程式の整数解をすべて求めよ。
MT 3x-11y=1
x=4.y=1
3x-11g=1
-304-1101=1
3(x-4)11 (2-1) = 0
3(x-4)=(-1)
x-4:11k
x=11k+4
2-1=3k
{
y=3k+1
+
(2) 7x+2y=1
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