2数の加法減法まとめ-2(6問)
次の計算をせよ。
(-57)-(-25)
解答○ ×(-63)+(-58)
解答○ ×(+15)-(+16.2)
解答○ ×(-9.5)-(+16)
解答○ ×(+8.5)+(-6.2)
解答○ ×(-46)+(+20.2)
解答○ ×問題と解答
(-57)-(-25)-32 (-63)+(-58)-121 (+15)-(+16.2)-1.2 (-9.5)-(+16)-25.5 (+8.5)+(-6.2)2.3 (-46)+(+20.2)-25.8
(-57)-(-25)-32 (-63)+(-58)-121 (+15)-(+16.2)-1.2 (-9.5)-(+16)-25.5 (+8.5)+(-6.2)2.3 (-46)+(+20.2)-25.8