3数の減法(混)-2(6問)
次の計算をせよ。
(+5.23)-(+4)-(-1.25)
解答○ ×(-9.02)-(-7)-(+6.95)
解答○ ×(-56)-(-7)-(+3)
解答○ ×(+2)-(-74)-(+83)
解答○ ×(-89)-(+54)-(-3)
解答○ ×(+712)-(+3)-(-2518)
解答○ ×問題と解答
(+5.23)-(+4)-(-1.25)2.48 (-9.02)-(-7)-(+6.95)-8.97 (-56)-(-7)-(+3)196 (+2)-(-74)-(+83)1312 (-89)-(+54)-(-3)3136 (+712)-(+3)-(-2518)-3736
