Question

3.2+4.8=	6.3-0.94=	0.25×4=	5×1.2=
4.8÷0.6=	4.8÷24=	3.6-2.4=	6-4.6=
8-3.4=	6×0.21=	1.25×8=	0.8÷0.5=
25×0.3=	0.63-0.3=	2.5+7.5=	34×0.1=
7-0.99=	21÷0.7=	5×2.4=	3×1.03=
3.2÷4=	1.5÷30=	5.1÷3=	0.37÷0.37=
0.28÷14=	0.16÷4=	8×0.05=	4×0.125=
4÷8=	7.5-0.7=	9-0.9=	7÷2=
2.8÷0.7=	21-0.21=	5÷0.01=	2.8×0=
7÷0.07=	6.3÷0.5=	0.32÷0.8=	1÷0.25=
0.25×0.4=	30×2.3=	3.6÷1.2=	2.5+1.2=
3.5×0.2=	9÷0.45=	0.96÷0.16=	4.8-2.9=
0.5÷0.25=	7.6+2.4=	0.17×0.4=	8.2×0.01=
1.72-0.73=	0.46÷2=	1.9×0.8=	1.2×0.3=
1-0.92=	0.16×0.7=	0.56÷0.16=	8÷0.6=

Answer 1

解：

3.2+4.8=8	6.3-0.94=5.36	0.25×4=1	5×1.2=6
4.8÷0.6=8	4.8÷24=0.2	3.6-2.4=1.2	6-4.6=1.4
8-3.4=4.6	6×0.21=1.26	1.25×8=10	0.8÷0.5=1.6
25×0.3=7.5	0.63-0.3=0.33	2.5+7.5=10	34×0.1=3.4
7-0.99=6.01	21÷0.7=30	5×2.4=12	3×1.03=3.09
3.2÷4=0.8	1.5÷30=0.05	5.1÷3=1.7	0.37÷0.37=1
0.28÷14=0.02	0.16÷4=0.04	8×0.05=0.4	4×0.125=0.5
4÷8=0.5	7.5-0.7=6.8	9-0.9=8.1	7÷2=3.5
2.8÷0.7=4	21-0.21=20.79	5÷0.01=500	2.8×0=0
7÷0.07=100	6.3÷0.5=12.6	0.32÷0.8=0.4	1÷0.25=4
0.25×0.4=0.1	30×2.3=69	3.6÷1.2=3	2.5+1.2=3.7
3.5×0.2=0.7	9÷0.45=20	0.96÷0.16=6	4.8-2.9=1.9
0.5÷0.25=2	7.6+2.4=10	0.17×0.4=0.068	8.2×0.01=0.082
1.72-0.73=0.99	0.46÷2=0.23	1.9×0.8=1.52	1.2×0.3=0.36
1-0.92=0.08	0.16×0.7=0.112	0.56÷0.16=3.5	8÷0.6=13.

分析：本题据小数的加法、减法、乘法、除法的运算法则计算即可．
点评：本题考查了学生运用计算法则进行口算小数算式的能力．