题型:问答题 简答题 (1)看一看下面两组算式:(3×5)2与32×52;[(-12)×4]2与(-12)2×42,每组两个算式的结果是否相等?(2)根据(1)的结果,猜想(a•b)3等于什么?(3)用(2)的结论计算[(-2)×13]3. 查看答案
题型:问答题 简答题 The price of goods kept ______. We had to cut the expenses in order to meet our daily needs.A.standing outB.going upC.breaking downD.putting up 查看答案