加法減法(分数)3(6問)
次の計算をせよ
3x+12-2x+53+x-56
解答○ ×x+114-5x-16+7x+1312
解答○ ×5a-7b2+9a-16b5-7a-17b10
解答○ ×16x-53-5x+47-11x-1514
解答○ ×4a+b15+3a+7b10+7a-17b20
解答○ ×41x+y42-5x-8y21-x+15y14
解答○ ×問題と解答
3x+12-2x+53+x-56x-2 x+114-5x-16+7x+13124 5a-7b2+9a-16b5-7a-17b1018a5-5b 16x-53-5x+47-11x-151423x6-76 4a+b15+3a+7b10+7a-17b2011a12-b12 41x+y42-5x-8y21-x+15y142x3-2y3
