这数学怎么做
以下2题数学题怎么做啊1.Explainhowyouwouldusethepropertiesinthislessontosimplify(-68)+6(-99)+(-3...
以下2题数学题怎么做啊
1.Explain how you would use the properties in this lesson to simplify(-68)+6(-99)+(-32)
2.Find the total cost fo buying 4 pairs of candles for $2.97 per pair,3 cards for $1.99 each,and 5 colored markers for $0.99 each. 展开
1.Explain how you would use the properties in this lesson to simplify(-68)+6(-99)+(-32)
2.Find the total cost fo buying 4 pairs of candles for $2.97 per pair,3 cards for $1.99 each,and 5 colored markers for $0.99 each. 展开
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