Mathematics
Junior High
Solved
全然わかりません!w誰か教えてください!明日提出なので急ぎめでお願いしますm(_ _)m
4
次の計算をしなさい。
(1) 6y-7y
(2) - 6.2+5.r-x
(3)(a-4)+(3a+5)
(4)(-2a-4)- (4-2a)
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訂正です!(4)は-8です!