2数の減法L4-1(分数)(6問)
次の計算をせよ。
(+1)-(+85)
解答○ ×(-87)-(-2)
解答○ ×(-5)-(-74)
解答○ ×(+89)-(+103)
解答○ ×(-34)-(-53)
解答○ ×(-85)-(-92)
解答○ ×問題と解答
(+1)-(+85)-35 (-87)-(-2)67 (-5)-(-74)-134 (+89)-(+103)-229 (-34)-(-53)1112 (-85)-(-92)2910
(+1)-(+85)-35 (-87)-(-2)67 (-5)-(-74)-134 (+89)-(+103)-229 (-34)-(-53)1112 (-85)-(-92)2910
