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笔算267X52时,6与5相乘实际是A6X5B60X5C60X50
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笔算267X52时,6与5相乘实际是A6X5B60X5C60X50
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答案和解析
60×50
选C
选C
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请你口算.0.38+0.06=(155+20)-65=64.2+5.7=543-27-73=0.9 2020-04-07 …
口算.0.38+0.06=(155+20)-65=64.2+5.7=543-27-73=0.97- 2020-04-07 …
直接写得数0.38+0.06=7320+162=5600÷70=543-27-73=0.97-0. 2020-04-07 …
用2,3,6,5,0……(看补充说明)用2,3,6,5,0这5个数字组成一个三位数乘两位数的算式, 2020-05-13 …
每组题只做一次笔算,其他的题通过小数点移位来解决.(1)16÷5=1.6÷5=0.16÷5=0.0 2020-07-19 …
1.2(x+1)/3=5(x+1)/6-12.x-3/0.5-x+4/0.2=1.63.2x/0. 2020-07-19 …
口算:5.6+3.4=10-2.7=2.8+3.3=1.2×0.8=10÷2.5=8×1.25=3 2020-07-19 …
(2012•慈溪市)①0.65×6.4-6.5×0.54+65×9%②12.5×0.56+1.4÷ 2020-07-25 …
①0.65×6.4-6.5×0.54+65×9%②12.5×0.56+1.4÷25③12+56+1 2020-07-25 …
①0.65×6.4-6.5×0.54+65×9%②12.5×0.56+1.4÷25③12+56+1 2020-07-25 …