摘要:2+12.8= 46.7-3.8=
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直接写出结果.
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(1)0.5 ×200= |
(2)0.6 ×0.12= |
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(3)2 ×0.35= |
(4)0.63 +0.35= |
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(5)2.1 -0.45-0.55= |
(6)3.46 +0.25+0.54= |
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(7)5.01 ×100×0.01= |
(8)50 ×0.46×0.2= |
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(9)7.6 ×0×6.85= |
(10)2.24 ×99+2.24= |
口算.
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(1)72 ×10=( ) |
(2)100 ×46=( ) |
|
(3)70 ×50=( ) |
(4)2000 ×10=( ) |
|
(5)12 ×20=( ) |
(6)32 ×30=( ) |
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(7)4.7 +2.3=( ) |
(8)4.7 -2.3=( ) |
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(9)3.6 -1.8=( ) |
(10) |
|
(11) |
(12) |
(分数,先填分子,后填分母)
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