Mathematics
Junior High
Resolved
(3)どこが、間違えているのか教えてください🙏
答え16
=-=√√3 のとき、次の値を求めよ。
(1)x-y
「75-(+)
(2)xy
(7)(+)
7-3
x2-xy+y2
-(+)
-23
7-3
x²-2xy+22
(2)-4
4x3-4
12-4=8
4
2
(-2√3)-4
4×3
2
(-2)
4×3~4
12-4=8
12-4
8
[裏へつづく]
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