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0.7+0.9=________0.125×80=________8.24+3.76=________62.5×80=________
4.1-3.8=________0.32÷16=________14+0.78=________6.4÷16=________
14.6-0.34=________5÷10=________1.3+8.56=________0.7-0.55=________
2.4×5=________1-0.03=________8.1÷3=________3.6÷12=________
250×0.04=________30.5+3.05=________3.75×400=________0.78+2.2=________
1.5×8=________6×1.5=________25×0.04=________9.6÷16=________
5-0.08=________3.25+0.75=________10-0.1=________0.17×4=________
7.4÷2=________0.16÷8=________.

1.6    10    12    5000    0.3    0.02    14.78    0.4    14.26    0.5    9.86    0.15    10    0.97    2.7    0.3    10    33.55    1500    2.98    12    9    1    0.6    4.92    4    9.9    0.68    3.7    0.02
分析:根据小数加、减、乘、除的计算方法进行计算即可.
解答:0.7+0.9=1.60.125×80=108.24+3.76=1262.5×80=50004.1-3.8=0.30.32÷16=0.0214+0.78=14.786.4÷16=0.414.6-0.34=14.265÷10=0.51.3+8.56=9.860.7-0.55=0.152.4×5=101-0.03=0.978.1÷3=2.73.6÷12=0.3250×0.04=1030.5+3.05=33.553.75×400=15000.78+2.2=2.981.5×8=126×1.5=925×0.04=19.6÷16=0.65-0.08=4.923.25+0.75=410-0.1=9.90.17×4=0.687.4÷2=3.70.16÷8=0.02
点评:口算题目,要求快速准确,能用简便方法的要用简便方法.
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