Mathematics
Junior High
Solved
このような解説をもっと詳しくお願いします！！
I
1×2
2×3'3×4 4×5
9×9
平
S×9+×9-XZx8,Ix2
I
9×S
I
3×4'4×5
I
I
1×2
I
2×3
5-4
G-
4-3
3-2
5×4
2-1
4×3
3×2
×1
(3-)(-)()(モ-リ-
9
I
9 9
Answers
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とてもわかりやすいです！！ありがとうございました！！