2数の減法L4-5(分数)(6問)
次の計算をせよ。
(+56)-(+1115)
解答○ ×(-914)-(-1235)
解答○ ×(-58)-(-736)
解答○ ×(+1118)-(-730)
解答○ ×(-712)-(+1328)
解答○ ×(-415)-(+233)
解答○ ×問題と解答
(+56)-(+1115)110 (-914)-(-1235)-310 (-58)-(-736)-3172 (+1118)-(-730)3845 (-712)-(+1328)-2221 (-415)-(+233)-1855
