一、口算。(每题1分,共30分)
68+39=
72÷2=
12.8+0.8=
52×6=
93-59=
6.3÷3=
20-16.3=
0.9×6=
3.36×100=
0.74÷2=
7.2+1.08=
740÷37=
0.17×7=
7.8÷39=
0.6×70=
5.41+0.69=
702×40=
123.4÷10=
1.01×8=
45.9÷9=
0.016×10000=
3.96÷4=
0.45×6=
4.15-0.85=
2.7-2.07=
2.08÷4=
8.5×200=
0.08×15=
7.92÷8=
25.04÷1000=
68+39=
72÷2=
12.8+0.8=
52×6=
93-59=
6.3÷3=
20-16.3=
0.9×6=
3.36×100=
0.74÷2=
7.2+1.08=
740÷37=
0.17×7=
7.8÷39=
0.6×70=
5.41+0.69=
702×40=
123.4÷10=
1.01×8=
45.9÷9=
0.016×10000=
3.96÷4=
0.45×6=
4.15-0.85=
2.7-2.07=
2.08÷4=
8.5×200=
0.08×15=
7.92÷8=
25.04÷1000=
答案
1. 68+39=107
2. 72÷2=36
3. 12.8+0.8=13.6
4. 52×6=312
5. 93-59=34
6. 6.3÷3=2.1
7. 20-16.3=3.7
8. 0.9×6=5.4
9. 3.36×100=336
10. 0.74÷2=0.37
11. 7.2+1.08=8.28
12. 740÷37=20
13. 0.17×7=1.19
14. 7.8÷39=0.2
15. 0.6×70=42
16. 5.41+0.69=6.1
17. 702×40=28080
18. 123.4÷10=12.34
19. 1.01×8=8.08
20. 45.9÷9=5.1
21. 0.016×10000=160
22. 3.96÷4=0.99
23. 0.45×6=2.7
24. 4.15-0.85=3.3
25. 2.7-2.07=0.63
26. 2.08÷4=0.52
27. 8.5×200=1700
28. 0.08×15=1.2
29. 7.92÷8=0.99
30. 25.04÷1000=0.02504
2. 72÷2=36
3. 12.8+0.8=13.6
4. 52×6=312
5. 93-59=34
6. 6.3÷3=2.1
7. 20-16.3=3.7
8. 0.9×6=5.4
9. 3.36×100=336
10. 0.74÷2=0.37
11. 7.2+1.08=8.28
12. 740÷37=20
13. 0.17×7=1.19
14. 7.8÷39=0.2
15. 0.6×70=42
16. 5.41+0.69=6.1
17. 702×40=28080
18. 123.4÷10=12.34
19. 1.01×8=8.08
20. 45.9÷9=5.1
21. 0.016×10000=160
22. 3.96÷4=0.99
23. 0.45×6=2.7
24. 4.15-0.85=3.3
25. 2.7-2.07=0.63
26. 2.08÷4=0.52
27. 8.5×200=1700
28. 0.08×15=1.2
29. 7.92÷8=0.99
30. 25.04÷1000=0.02504
二、用竖式计算。(每题3分,共27分)
$36÷16=$
$2.85×26=$
$62.1÷23=$
$0.027×11=$
$9.12÷38=$
$4.71×60=$
$4.32÷54=$
$9.08×45=$
$0.918÷34=$
$36÷16=$
$2.85×26=$
$62.1÷23=$
$0.027×11=$
$9.12÷38=$
$4.71×60=$
$4.32÷54=$
$9.08×45=$
$0.918÷34=$
答案
1. $36÷16=2.25$
2. $2.85×26=74.1$
3. $62.1÷23=2.7$
4. $0.027×11=0.297$
5. $9.12÷38=0.24$
6. $4.71×60=282.6$
7. $4.32÷54=0.08$
8. $9.08×45=408.6$
9. $0.918÷34=0.027$
2. $2.85×26=74.1$
3. $62.1÷23=2.7$
4. $0.027×11=0.297$
5. $9.12÷38=0.24$
6. $4.71×60=282.6$
7. $4.32÷54=0.08$
8. $9.08×45=408.6$
9. $0.918÷34=0.027$
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