3数乗法1-1(7問)
次の計算をせよ。
(-2)×3×2
解答○ ×3×(-2)×(-5)
解答○ ×(-4)×(-3)×(-5)
解答○ ×(-2)×(-7)×2
解答○ ×3×5×(-4)
解答○ ×8×(-9)×2
解答○ ×(-6)×7×(-2)
解答○ ×問題と解答
(-2)×3×2-12 3×(-2)×(-5)30 (-4)×(-3)×(-5)-60 (-2)×(-7)×228 3×5×(-4)-60 8×(-9)×2-144 (-6)×7×(-2)84
(-2)×3×2-12 3×(-2)×(-5)30 (-4)×(-3)×(-5)-60 (-2)×(-7)×228 3×5×(-4)-60 8×(-9)×2-144 (-6)×7×(-2)84
