3数の減法-2(6問)
次の計算をせよ。
(+8)-(+3)-(-1)
解答○ ×(-5)-(-1)-(+7)
解答○ ×(-9)-(+4)-(+2)
解答○ ×(+2)-(-5)-(+8)
解答○ ×(+2)-(-3)-(-4)
解答○ ×(-6)-(+5)-(-8)
解答○ ×問題と解答
(+8)-(+3)-(-1)6 (-5)-(-1)-(+7)-11 (-9)-(+4)-(+2)-15 (+2)-(-5)-(+8)-1 (+2)-(-3)-(-4)9 (-6)-(+5)-(-8)-3
