1.直接写出得数。(每题1★)
13×3=
17×2=
99÷9=
13×5=
2×23=
73×2=
29×5=
24÷30=
255÷3=
3×47=
87÷3=
4×10.1=
18×40=
99÷3=
3×55=
52÷13=
1.68+0.32=
8.1×20=
8.5÷1.7=
1.23÷3=
13×3=
17×2=
99÷9=
13×5=
2×23=
73×2=
29×5=
24÷30=
255÷3=
3×47=
87÷3=
4×10.1=
18×40=
99÷3=
3×55=
52÷13=
1.68+0.32=
8.1×20=
8.5÷1.7=
1.23÷3=
答案
1.39
34
11
65
46
146
145
0.8
85
141
29
40.4
720
33
165
4
2
162
5
0.41
34
11
65
46
146
145
0.8
85
141
29
40.4
720
33
165
4
2
162
5
0.41
2.列竖式计算。(每题2★)
3.2×6.75=
52.65÷13=
4.68÷1.8=
3.2×6.75=
52.65÷13=
4.68÷1.8=
答案
2.21.6
4.05
2.6(竖式略)
4.05
2.6(竖式略)
3.计算下面各题,能简算的要简算。(每题3★)
$62.3+45.9÷0.9$
$5.9×8-49×0.8$
$2.5×(0.32÷0.4)$
$2.4÷(1.2÷0.5)$
$(3.2+0.16)÷0.8$
$4.37×0.55+56.3×0.055$
$62.3+45.9÷0.9$
$5.9×8-49×0.8$
$2.5×(0.32÷0.4)$
$2.4÷(1.2÷0.5)$
$(3.2+0.16)÷0.8$
$4.37×0.55+56.3×0.055$
答案
3.113.3
8
2
1
4.2
5.5
8
2
1
4.2
5.5
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