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$750 cm = ($$)dm$ $3.8 m = ($$)dm$
$2.7 dm³ = ($$)cm³$ $9.4 m³ = ($$)dm³$
$8600 dm³ = ($$)m³$ $530 cm³ = ($$)dm³$
$3.07 m³ = ($$)dm³$ $0.06 m³ = ($$)cm³$
$12 dm³ = ($$)cm³$ $50 dm³ = ($$)m³$
$8.05 m³ = ($$)dm³$ $8.3 dm³ = ($$)cm³$
$54 cm³ = ($$)dm³$ $34 dm³ = ($$)cm³$
$320 cm³ = ($$)dm³$ $7200 dm³ = ($$)m³$
$940 cm³ = ($$)dm³$ $0.07 m³ = ($$)dm³$
$2.7 dm³ = ($$)cm³$ $9.4 m³ = ($$)dm³$
$8600 dm³ = ($$)m³$ $530 cm³ = ($$)dm³$
$3.07 m³ = ($$)dm³$ $0.06 m³ = ($$)cm³$
$12 dm³ = ($$)cm³$ $50 dm³ = ($$)m³$
$8.05 m³ = ($$)dm³$ $8.3 dm³ = ($$)cm³$
$54 cm³ = ($$)dm³$ $34 dm³ = ($$)cm³$
$320 cm³ = ($$)dm³$ $7200 dm³ = ($$)m³$
$940 cm³ = ($$)dm³$ $0.07 m³ = ($$)dm³$
答案
75；38；2700；9400；8.6；0.53；3070；60000；12000；0.05；8050；8300；0.054；34000；0.32；7.2；0.94；70
解析
1. $750cm = 750÷10 = 75dm$
2. $3.8m = 3.8×10 = 38dm$
3. $2.7dm³ = 2.7×1000 = 2700cm³$
4. $9.4m³ = 9.4×1000 = 9400dm³$
5. $8600dm³ = 8600÷1000 = 8.6m³$
6. $530cm³ = 530÷1000 = 0.53dm³$
7. $3.07m³ = 3.07×1000 = 3070dm³$
8. $0.06m³ = 0.06×1000000 = 60000cm³$
9. $12dm³ = 12×1000 = 12000cm³$
10. $50dm³ = 50÷1000 = 0.05m³$
11. $8.05m³ = 8.05×1000 = 8050dm³$
12. $8.3dm³ = 8.3×1000 = 8300cm³$
13. $54cm³ = 54÷1000 = 0.054dm³$
14. $34dm³ = 34×1000 = 34000cm³$
15. $320cm³ = 320÷1000 = 0.32dm³$
16. $7200dm³ = 7200÷1000 = 7.2m³$
17. $940cm³ = 940÷1000 = 0.94dm³$
18. $0.07m³ = 0.07×1000 = 70dm³$
2. $3.8m = 3.8×10 = 38dm$
3. $2.7dm³ = 2.7×1000 = 2700cm³$
4. $9.4m³ = 9.4×1000 = 9400dm³$
5. $8600dm³ = 8600÷1000 = 8.6m³$
6. $530cm³ = 530÷1000 = 0.53dm³$
7. $3.07m³ = 3.07×1000 = 3070dm³$
8. $0.06m³ = 0.06×1000000 = 60000cm³$
9. $12dm³ = 12×1000 = 12000cm³$
10. $50dm³ = 50÷1000 = 0.05m³$
11. $8.05m³ = 8.05×1000 = 8050dm³$
12. $8.3dm³ = 8.3×1000 = 8300cm³$
13. $54cm³ = 54÷1000 = 0.054dm³$
14. $34dm³ = 34×1000 = 34000cm³$
15. $320cm³ = 320÷1000 = 0.32dm³$
16. $7200dm³ = 7200÷1000 = 7.2m³$
17. $940cm³ = 940÷1000 = 0.94dm³$
18. $0.07m³ = 0.07×1000 = 70dm³$
$0.7×8 =$ $7³ =$ $1.2×8 =$
$23×6 =$ $20³ =$ $2.7×0.5 =$
$7×0.18 =$ $4³ =$ $5.2×8 =$
$30×0.2 =$ $0.8³ =$ $4.7×5 =$
$0.9×10 =$ $0.1³ =$ $90×2.3 =$
$12.5×8 =$ $0.4³ =$ $2.5×4 =$
$3×0.38 =$ $30³ =$ $1.25×8 =$
$3.2×4 =$ $5³ =$ $20×0.8 =$
$60×0.41 =$ $8³ =$ $5.2×0.9 =$
$7×0.37 =$ $6³ =$ $5×2.5 =$
$23×6 =$ $20³ =$ $2.7×0.5 =$
$7×0.18 =$ $4³ =$ $5.2×8 =$
$30×0.2 =$ $0.8³ =$ $4.7×5 =$
$0.9×10 =$ $0.1³ =$ $90×2.3 =$
$12.5×8 =$ $0.4³ =$ $2.5×4 =$
$3×0.38 =$ $30³ =$ $1.25×8 =$
$3.2×4 =$ $5³ =$ $20×0.8 =$
$60×0.41 =$ $8³ =$ $5.2×0.9 =$
$7×0.37 =$ $6³ =$ $5×2.5 =$
答案
（以上每一题答案依次陈述）5.6，343，9.6，138，8000，1.35，1.26，64，41.6，6，0.512，23.5，9，0.001，207，100，0.064，10，1.14，27000，10，12.8，125，16，24.6，512，4.68，2.59，216，12.5
解析
本题主要考查基础的数学运算，包括乘法和乘方运算。
1. $0.7 × 8 = 5.6$
2. $7^3 = 7 × 7 × 7 = 343$
3. $1.2 × 8 = 9.6$
4. $23 × 6 = 138$
5. $20^3 = 20 × 20 × 20 = 8000$
6. $2.7 × 0.5 = 1.35$
7. $7 × 0.18 = 1.26$
8. $4^3 = 4 × 4 × 4 = 64$
9. $5.2 × 8 = 41.6$
10. $30 × 0.2 = 6$
11. $0.8^3 = 0.8 × 0.8 × 0.8 = 0.512$
12. $4.7 × 5 = 23.5$
13. $0.9 × 10 = 9$
14. $0.1^3 = 0.1 × 0.1 × 0.1 = 0.001$
15. $90 × 2.3 = 207$
16. $12.5 × 8 = 100$
17. $0.4^3 = 0.4 × 0.4 × 0.4 = 0.064$
18. $2.5 × 4 = 10$
19. $3 × 0.38 = 1.14$
20. $30^3 = 30 × 30 × 30 = 27000$
21. $1.25 × 8 = 10$
22. $3.2 × 4 = 12.8$
23. $5^3 = 5 × 5 × 5 = 125$
24. $20 × 0.8 = 16$
25. $60 × 0.41 = 24.6$
26. $8^3 = 8 × 8 × 8 = 512$
27. $5.2 × 0.9 = 4.68$
28. $7 × 0.37 = 2.59$
29. $6^3 = 6 × 6 × 6 = 216$
30. $5 × 2.5 = 12.5$
1. $0.7 × 8 = 5.6$
2. $7^3 = 7 × 7 × 7 = 343$
3. $1.2 × 8 = 9.6$
4. $23 × 6 = 138$
5. $20^3 = 20 × 20 × 20 = 8000$
6. $2.7 × 0.5 = 1.35$
7. $7 × 0.18 = 1.26$
8. $4^3 = 4 × 4 × 4 = 64$
9. $5.2 × 8 = 41.6$
10. $30 × 0.2 = 6$
11. $0.8^3 = 0.8 × 0.8 × 0.8 = 0.512$
12. $4.7 × 5 = 23.5$
13. $0.9 × 10 = 9$
14. $0.1^3 = 0.1 × 0.1 × 0.1 = 0.001$
15. $90 × 2.3 = 207$
16. $12.5 × 8 = 100$
17. $0.4^3 = 0.4 × 0.4 × 0.4 = 0.064$
18. $2.5 × 4 = 10$
19. $3 × 0.38 = 1.14$
20. $30^3 = 30 × 30 × 30 = 27000$
21. $1.25 × 8 = 10$
22. $3.2 × 4 = 12.8$
23. $5^3 = 5 × 5 × 5 = 125$
24. $20 × 0.8 = 16$
25. $60 × 0.41 = 24.6$
26. $8^3 = 8 × 8 × 8 = 512$
27. $5.2 × 0.9 = 4.68$
28. $7 × 0.37 = 2.59$
29. $6^3 = 6 × 6 × 6 = 216$
30. $5 × 2.5 = 12.5$
