早教吧 育儿知识 作业答案 考试题库 百科 知识分享

我能估算下面各题.3.96×2.110.85×1.2212.08×4.963.26÷0.817.26÷1.9815.08÷5.13

题目详情
我能估算下面各题.
3.96×2.11             0.85×1.22            12.08×4.96
3.26÷0.81             7.26÷1.98            15.08÷5.13
▼优质解答
答案和解析
(1)3.96×2.11
≈4×2
=8

(2)0.85×1.22
≈1×1
=1

(3)12.08×4.96
≈12×5
=60

(4)3.26÷0.81
≈3.2÷0.8
=4

(5)7.26÷1.98
≈7÷2
=3.5

(6)15.08÷5.13
≈15÷5
=3