题目内容
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(1)6-2.4= |
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(2)2.6+4.8= |
答案:3.6;7.4
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口算.
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(1)0.5 ×0.5×6= |
(2)3.2 ×0.25= |
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(3)1.6 ÷2×25= |
(4)(5 -3.5)×8= |
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(5)0.8 ×0.8×6= |
(6)(2.1 -1.5)×5= |
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(7)0.4 ×1.3×0.5= |
(8)(1.6 +2.4)×0.5= |