2数の減法L4-3(分数)(6問)
次の計算をせよ。
(-13)-(+1)
解答○ ×(+2)-(-54)
解答○ ×(-52)-(+94)
解答○ ×(+79)-(-103)
解答○ ×(-314)-(+57)
解答○ ×(-125)-(+83)
解答○ ×問題と解答
(-13)-(+1)-43 (+2)-(-54)134 (-52)-(+94)-194 (+79)-(-103)379 (-314)-(+57)-1314 (-125)-(+83)-7615
(-13)-(+1)-43 (+2)-(-54)134 (-52)-(+94)-194 (+79)-(-103)379 (-314)-(+57)-1314 (-125)-(+83)-7615