题目内容

口算．
4.8×0.4=		 5.2÷2= 3.3×0.3=
6.4÷4= 4.8÷0.4= 5.2×2=
3.3÷0.3= 6.4×4= 4.8-0.4=
5.2-2= 3.3+0.3= 6.4+4=
分析：根据小数加减法以及小数乘除法的计算方法求解．
解答：解：
4.8×0.4=1.92 5.2÷2=2.6 3.3×0.3=0.99
6.4÷4=1.6 4.8÷0.4=12 5.2×2=10.4
3.3÷0.3=11 6.4×4=25.6 4.8-0.4=4.4
5.2-2=3.2 3.3+0.3=3.6 6.4+4=10.4．
点评：本题考查了简单的小数计算，要注意看清楚运算符号，再进行计算．
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相关题目
口算
3.2×0.2             		 1.4×0.4           3.3÷3          1.2÷0.3
2.5×0.4             1.5×2            0.7×7           7.3+0.3
0.53-0.3             1.8×0.5           0.9×0.01        0.23×3
（5）2-1.2               7.8÷6             8.4÷0.21         8.4÷0.7
5.6+3.6            9-2.35              0.56÷8         1.23×3
5.6÷0.4            4.5÷0.9            8.1×2          90÷3
1.23+3             5.6+1.23           4.5×2          5.6÷1.4
4.8÷1.2           7.2÷0.9           6.6÷1.1          7.2÷6
2.1÷3             0.6×0.5           3.23×2          1.8÷3
12.5÷0.1          0.32÷0.8          1.6+3.7           0.45×0.2
0.36÷1.8          0.4×0.5            8.4+5.6         8.4÷2.1
4.8÷0.08          4.8÷0.8            3+2.3           9.3÷3
0.01×8           7.31×100          0.09×6         0.8×0.6
1.25×8            3÷5               2.3+2.3         6.23+3.6
口算．
4.2÷0.6÷7=		 5.4÷2÷3=
4.7÷0.2÷2= 2.8÷7-0.4=
8.8÷8÷11= 4.05÷5÷9=
3.9÷0+3.9= 4.8+0.5÷0.2=
口算
9.5×100=		 1.25×8 0.25×0.9×4= 1.87×0=
3.5-1.5= 1.2×0.4= 3.6×0.5= 0.6×5=
0.24+0.6= 0.64×0.03= 7.8+2.2-1.5= 8×0.05=
0.125×8= 1.3×4= 0.4×0.6= 3×0.08=
0.35×2= 2.9×0.3= 10-0.9= 5.67×0=
0.8×0.01= 2.5×0.2= 2.4×0.3= 1.6×0.25=
0.17×0.3= 15×0.01= 10×0.07= 0.7×0.05=
0.2×0.05= 7.8×0.01= 0.2×0.26= 0.04×4=
12.4+2.1= 0.08×0.5= 0.14×4= 9×2.5+9×1.5=
1.8×0.5= 2.3×5= 0.3×3.6= 8×0.9+8×2.1=
2.5×4= 0.8+2.7×2= 0.05×7= 4.8+2.1+7.9=
3.4-1.8= 2.5+0.2×2= 0.02×0.1= 5.4-2.8=
0.3×0.2= 3.5×2×0.1= 0.3×0.3= 0×10.3×2.2=
0.12×0.7= 0.2×0.5= 0.92×0.4= 6.7-1.43=
1.2×4= 1.3×2= 1.2×0.3= 4.6+5.08=
口算．
4×2.5=		 0.78÷3= 3.8÷0.01= 0.13×2=
0.26÷6= 1.25×0.08= 3.25÷3.25= 12×0.25=
95.25×0= 0.54÷6= 8.4÷4.2= 5.6×0.5=

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