试题 试卷
题型:判断题 题类:常考题 难易度:普通
第三单元强化突破
12.5×0.8= 5-1 = 0.98×99+0.98= 7÷ ×7× =
÷ = × = 0.72÷0.6= 1.4× - ×1.4=
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