2数の減法L2-4(6問)
次の計算をせよ。
(+11)-(-24)
解答○ ×(-17)-(+44)
解答○ ×(+38)-(-18)
解答○ ×(-24)-(+23)
解答○ ×(-51)-(+37)
解答○ ×(+41)-(-75)
解答○ ×問題と解答
(+11)-(-24)35 (-17)-(+44)-61 (+38)-(-18)56 (-24)-(+23)-47 (-51)-(+37)-88 (+41)-(-75)116
(+11)-(-24)35 (-17)-(+44)-61 (+38)-(-18)56 (-24)-(+23)-47 (-51)-(+37)-88 (+41)-(-75)116