题型:填空题 题类: 难易度:容易
重庆市南岸区2023-2024学年五年级上学期期末数学试卷
①0.25×2.8 =0.25×(4×0.7) =0.25×4×0.7 =1×0.7 =0.7 (应用了{#blank#}1{#/blank#}定律) | ②51.25×0.8 =(50+1.25)×0.8 =50×0.8+1.25×0.8 =40+1 =41 (应用了{#blank#}2{#/blank#}定律) |
2.5×0.4= | 0.7+0.35= | 0.5×2.4= | 3.64﹣1.04﹣0.6= | 3.8+38= |
1.25×1.4×4= | 4+8+0.25= | 1.8×2.8﹣1.8×1.8= | 0.84÷0.07= | 5﹣2.5= |
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