直接写得数．
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(1)8.4 ÷7= |
(2)0.18 ÷3= |
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(3)0.15 ×4= |
(4)8 ×1.25= |
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(5)0.42 ÷6= |
(6)0.51 ×3= |
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(7)1 ÷5= |
(8)5.6 ÷10= |
口算
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(1)0.05 ×6= |
(2)0.24÷6= |
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(3)0.84 ×10= |
(4)1.25 ×1000= |
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(5)5.6÷8= |
(6)70 ×0.9= |
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(7)0.03 ÷100= |
(8)20 ÷1000= |
口算．
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(1)6.2 ＋2.8= |
(2)0.89 －0.05= |
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(3)5.4 －4= |
(4)0.46 ＋0.4= |
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(5)1.2 －0.9= |
(6)2.6 ＋1.2= |
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(7)0.25 ＋0.75= |
(8)1 －0.8= |
口算．
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(1)4.3 －3.8= |
(2)0.5 －0.3= |
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(3)0.16 ＋0.6= |
(4)0.92 －0.2= |
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(5)7.6 ＋0.4= |
(6)1 －0.08= |
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(7)2.5 ＋5= |
(8)3.3 ＋0.9= |
口算下面各题
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(1)0.18÷0.03= |
(2)0.06×0.5= |
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(3)8 －0.8= |
(4)0.42÷0.7= |
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(5)8.2 ＋0.8= |
(6)5.6÷0.8= |
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(7)0.65 －0.6= |
(8)0.2×0.9= |
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(9)6.3 －1.3= |
(10)0.8÷0.04= |
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(11)0.11×5= |
(12)1.9 ＋0.2= |
口算下面各题．
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(1)0.36÷0.6= |
(2)0.12×3= |
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(3)0.6÷0.03= |
(4)1.8 ＋0.5= |
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(5)0.15÷0.05= |
(6)6 －0.6= |
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(7)0.87 －0.8= |
(8)0.4×0.8= |
口算下面各题．
(1)0.25÷0.5=
(2)0.5×0.6=
(3)5.6÷0.7=
(4)1.3×3=
(5)0.8÷0.02=
(6)0.24×2=
(7)0.18÷0.3=
(8)0.07×0.3=
