试题 试卷
题型:脱式计算 题类: 难易度:普通
2023.10.9小学数学巴蜀中学小升初练习题
42×0.99
=42×1-42×0.01
=42-0.42
=41.58
①8.65×1.2+1.35×1.2
②5.6×1.25
③2.5×(4+0.6)
④21.6×99+21.6
⑤1.56×101
⑥7.5×1.25×2×8
试题篮