口算下面各题
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(1)0.5 ＋0.4= |
(2)0.26 ＋0.34= |
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(3)0.07×1000= |
(4)3.2 ÷8= |
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(5)3.8 －1.5= |
(6)8÷5= |
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(7)0.86 －0.6= |
(8)7.6 ＋2.4= |
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(9)0.63÷7= |
(10)0.6×5= |
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(11)5 －0.5= |
(12)100×0.3= |
口算下面各题．
(1)2.4÷3=
(2)20×0.5=
(3)0.7÷2=
(4)0.8×6=
(5)0.35÷7=
(6)0.6×100=
(7)2.8÷4=
(8)1000×0.09=
(9)0.06÷5=
口算．
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(1)5.6 ＋2.8= |
(2)8.1 －2.7= |
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(3)1.5 ×0.6= |
(4)4.08 ÷0.8= |
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(5)1.75 ＋3.8＋0.25= |
(6)3.8 ＋4.6＋5.4= |
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(7)2.5 ×12= |
(8)1.25 ×16= |
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(9)3.5 ＋2.5×3= |
(10)5.4 －4.8÷1.2= |
直接写出得数．
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(1)4.6 ＋5.4= |
(2)0.37 ＋1.6= |
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(3)0.78 －0.43= |
(4)2.6 ÷2= |
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(5)2.4 ×5= |
(6)5 ÷2.5= |
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(7)4.4 ×2= |
(8)7.2 ÷8= |
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(9)6.3 ÷0.1= |
(10)0.42 ÷0.3= |
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(11)8.5 －2.5= |
(12)0.56 ×100= |