口算.
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(1)2.5 +6.5= |
(2)3 ÷0.15= |
|
(3)0.84 -0.19= |
(4)1.21 ÷1.1= |
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(5)0.24 ×0.6= |
(6)0.75 ÷2.5= |
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(7)7.63 -2.53+4.9= |
(8)0.24 ×4-0.72= |
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(9)0.75 ÷1.5+4.5= |
(10)1.86 -1.7+2.14= |
直接写出得数.
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(1)0.37 +0.45= |
(2)0.63 -0.47= |
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(3)0.83 ×0.2= |
(4)0.93 ÷3.1= |
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(5)2.48 ÷0.8= |
(6)15 -3.25= |
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(7)1.73 +0.26+8.27= |
(8)2.5 ×0.79×4= |
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(9)4.53 -1.53-2.5= |
(10)(6.32 +3.68)×0.2= |
口算.
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(1)2.6 +3.7= |
(2)2 -1.42= |
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(3)3.2 ×4= |
(4)1.2 ×0.8= |
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(5)4.8 ÷1.2= |
(6)0.36 ÷0.9= |
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(7)0.72 ÷12= |
(8)5 ÷4= |
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(9)4.6 +5.8-1.6= |
(10)1.3 +1.4+1.7= |
直接写出得数.
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(1)(7 +8)÷2= |
(2)(1.2 +3.6)÷3= |
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(3)(2.5 +7.5)÷4= |
(4)(2 +3+4)÷3 |
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(5)(1.2 +2.4+3.6)÷4= |
(6)(2 ×4+3×4)÷5 |
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(7)(0.6 ×2+0.6×3)÷5= |
(8)(4 ×0.6+0.8×4)÷8= |
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(9)(56 +44)÷(12+13)= |
(10)(42 +54)÷(11+13)= |
根据
46×127=5842,直接写出下面各题的积.|
(1)46 ×12.7= |
(2)0.46 ×127= |
|
(3)4.6 ×127= |
(4)46 ×0.127= |