直接写出得数.
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(1)1.6 ÷0.4= |
(2)0.72 ÷0.6= |
(3)3.14 ÷0.314= |
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(4)0.77 ÷1.1= |
(5)0.25 ×4= |
(6)10 ÷4= |
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(7)86 ÷0.43= |
(8)30 -15.6= |
直接写出得数.
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(1)7.5 ÷0.5= |
(2)4.8 ÷1.6= |
(3)0.57 ÷1.9= |
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(4)0.96 ÷1.6= |
(5)0.48 ÷0.4= |
(6)2.2 ÷0.11= |
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(7)0.45 ÷45= |
(8)1.2 ×0.3= |
直接写出得数.
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(1)1.5 ÷0.5= |
(2)5.1 ÷1.7= |
(3)6.9 ÷2.3= |
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(4)5.02 ÷0.01= |
(5)0.66 ÷0.3= |
(6)42.5 ÷425= |
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(7)0.4 ÷0.02= |
(8)1.21 ÷0.11= |
(9)1.25 ÷0.125= |
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(10)0.6 ÷0.15= |
(11)0.02 ÷0.4= |
(12)49 ÷0.07= |
直接写出得数.
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(1)0.9 ÷3= |
(2)3.2 ÷8= |
(3)0.42 ÷7= |
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(4)0.081 ÷9= |
(5)0.45 ÷15= |
(6)2 ÷5= |
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(7)4 ÷5= |
(8)1 ÷4= |
直接写出得数.
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(1)0.25 ×4= |
(2)12.5 ×0.8= |
(3)0.2 ×50= |
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(4)2.4 ×0.5= |
(5)1.1 ×1.1= |
(6)0.4 ×1.7= |
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(7)0.5 ×1.2= |
(8)0.7 ×11= |
直接写出得数.
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(1)2.5 ×0.6×0.4= |
(2)1.25 ×0.7×0.8= |
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(3)0.26 ×0.2×50= |
(4)0.5 ×0.75×4= |
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(5)8.8 ×12.5×0.1= |
(6)3.4 ×0.1×0.01= |
直接写出得数.
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(1)0.1 ×6.4= |
(2)3.6 ×0.2= |
(3)5.5 ×0.02= |
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(4)9.3 ×0.01= |
(5)12.5 ×0.8= |
(6)7.5 ×0.4= |
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(7)0.5 ×22 |
(8)1.5 ×0.4= |
直接写出得数.
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(1)2.3 ×0.3= |
(2)0.42 ×0.2= |
(3)1.4 ×0.7= |
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(4)0.23 ×0.3= |
(5)1.8 ×0.5= |
(6)12 ×1.2= |
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(7)0.16 ×0.6= |
(8)1.5 ×1.5= |
你能很快算出下面各题的积吗
?|
(1)25 ×7.8= |
(2)2.5 ×78= |
(3)2.5 ×7.8= |
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(4)250 ×7.8= |
(5)0.25 ×780= |
(6)2.5 ×0.78= |
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(7)0.25 ×0.78= |
(8)250 ×780= |