✨ Best Answer ✨
4×3×7×6×5×4×3×2×1=60480
自分なら4×3=12が2つで12×12=144（暗記してる）に2掛けて288。
6×5=30に7掛けて210。
あとは筆算で。
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✨ Best Answer ✨
4×3×7×6×5×4×3×2×1=60480
自分なら4×3=12が2つで12×12=144（暗記してる）に2掛けて288。
6×5=30に7掛けて210。
あとは筆算で。
Users viewing this question
are also looking at these questions 😉
