题目内容
口算.
(1)0.5
×0.6=(2)7
÷5=(3)2.4
×0.5=(4)2.5
×0.9×4=
答案:0.3;1.4;1.2;9
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口算.
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(1)0.5 ×5+2.5= |
(2)1.6 ×0.25= |
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(3)8.6 +2.4-2.6= |
(4)(5 +2.5)×8= |
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(5)3.2 ×0.2×5= |
(6)8 ×4×2.5= |
|
(7)0.8 ×1.25×10= |
(8)7.1 -(2.1+1.5)= |
口算.
|
(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= |
|
(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= |
口算.
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(1)0.5 +0.3= |
(2)0.8 -0.6= |
|
(3)1.2 +0.4= |
(4)2.6 -0.2= |
|
(5)0.4 +0.5= |
(6)0.9 -0.7= |
|
(7)0.8 +0.2= |
(8)1.6 -1.3= |