2数の減法L1-4(6問)
次の計算をせよ。
(+11)-(+25)
解答○ ×(+18)-(+45)
解答○ ×(+38)-(+124)
解答○ ×(-24)-(-10)
解答○ ×(-67)-(-89)
解答○ ×(-35)-(-75)
解答○ ×問題と解答
(+11)-(+25)-14 (+18)-(+45)-27 (+38)-(+124)-86 (-24)-(-10)-14 (-67)-(-89)22 (-35)-(-75)40
(+11)-(+25)-14 (+18)-(+45)-27 (+38)-(+124)-86 (-24)-(-10)-14 (-67)-(-89)22 (-35)-(-75)40
