题目内容
5-0.25=
6.72+3.28=
0.27+0.73=
2.7+3.8=
4.9-4.8=
答案:
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口算下面各题.
(1)1.4 ×0.5×0.8= |
(2)(5.3 +2.7)×2= |
(3)1.25 ×2×0.4= |
(4)(1.3 +2.5)×2= |
(5)1.2 ×0.5×0.5= |
(6)0.25 ×2×8= |
(7)0.2 ×0.2×0.2= |
(8)1.5 ×4×0.05= |
口算.
(1)0.5 ×0.5×6= |
(2)3.2 ×0.25= |
(3)1.6 ÷2×25= |
(4)(5 -3.5)×8= |
(5)0.8 ×0.8×6= |
(6)(2.1 -1.5)×5= |
(7)0.4 ×1.3×0.5= |
(8)(1.6 +2.4)×0.5= |