2数の減法_まとめ2(6問)
次の計算をせよ。
(-16)-(-21)
解答○ ×(-22)-(+9)
解答○ ×(+5.2)-(+9.8)
解答○ ×(+3.4)-(-9.1)
解答○ ×(-57)-(-83)
解答○ ×(-89)-(+56)
解答○ ×問題と解答
(-16)-(-21)5 (-22)-(+9)-31 (+5.2)-(+9.8)-4.6 (+3.4)-(-9.1)12.5 (-57)-(-83)4121 (-89)-(+56)-3118
(-16)-(-21)5 (-22)-(+9)-31 (+5.2)-(+9.8)-4.6 (+3.4)-(-9.1)12.5 (-57)-(-83)4121 (-89)-(+56)-3118
