Give the sum or difference of the following.
1. 54+21=
2. 28+14=
3. 45+17
4. 39+34
5. 57+42
6. 64-12=
7. 88-23=
8. 63-51=
9. 39-13=
10. 48-19=
1. 54+21=
2. 28+14=
3. 45+17
4. 39+34
5. 57+42
6. 64-12=
7. 88-23=
8. 63-51=
9. 39-13=
10. 48-19=
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Answer:
1. 75
2. 15
3. 17
4. 19
5. 18
6. 52
7. 65
8. 12
9. 26
10. 29
Step-by-step explanation:
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Answer:
1.75
2.42
3.62
4.74
5.99
6.