同類項をまとめる(分数)3(6問)
同類項をまとめて簡単にせよ。
-19x2+34x+16x2
解答○ ×-45a2-73a+13a
解答○ ×58y2-114y-34y2-1621y
解答○ ×-34c2+415c-73c2-110c
解答○ ×-37x2-133x+1621x2+411x-2x2
解答○ ×613a2-914a-539a2-12a+17a
解答○ ×問題と解答
-19x2+34x+16x2118x2+34x -45a2-73a+13a-45a2-2a 58y2-114y-34y2-1621y-18y2-56y -34c2+415c-73c2-110c-3712c2+16c -37x2-133x+1621x2+411x-2x2-53x2+13x 613a2-914a-539a2-12a+17a13a2-a
