题目内容
(1)2 ×5= |
18 ÷3= |
3 ×4= |
4 ×5= |
(2)12 ÷4= |
3 ×6= |
24 ÷6= |
30 ÷5= |
(3)73 -8= |
46 +27= |
19 +38= |
65 -6= |
(4)20 ÷5= |
15 ÷5= |
36 ÷6= |
16 ÷4= |
答案:10,6,12,20;3,18,4,6;65,73,57,59;4,3,6,4
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直接写出得数.
(1)2.5 ×0.6×0.4= |
(2)1.25 ×0.7×0.8= |
(3)0.26 ×0.2×50= |
(4)0.5 ×0.75×4= |
(5)8.8 ×12.5×0.1= |
(6)3.4 ×0.1×0.01= |
直接写出得数.
(1)2.5 ×0.6×0.4= |
(2)1.25 ×0.7×0.8= |
(3)0.26 ×0.2×50= |
(4)0.5 ×0.75×4= |
(5)8.8 ×12.5×0.1= |
(6)3.4 ×0.1×0.01= |
口算
(1)2 ×3= |
5 ×2= |
3 ×4= |
4 ×5= |
(2)6 ÷2= |
10 ÷5= |
12 ÷3= |
20 ÷4= |
(3)6 ÷3= |
10 ÷2= |
12 ÷4= |
20 ÷5= |