Question

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=________．

Answer 1

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．