2数の加法L3-4(分数)(6問)
次の計算をせよ。
(+14)+(+310)
解答○ ×(+56)+(+18)
解答○ ×(-14)+(-16)
解答○ ×(-118)+(-715)
解答○ ×(-314)+(-56)
解答○ ×(-310)+(-56)
解答○ ×問題と解答
(+14)+(+310)1120 (+56)+(+18)2324 (-14)+(-16)-512 (-118)+(-715)-4790 (-314)+(-56)-2221 (-310)+(-56)-1715
(+14)+(+310)1120 (+56)+(+18)2324 (-14)+(-16)-512 (-118)+(-715)-4790 (-314)+(-56)-2221 (-310)+(-56)-1715
