Answer:
1. 28 6. 71.375
2. 32 7. 36
3. 43 8. 87
4. 92 9. 131
5. 82 10.81.8333333333
Step-by-step explanation:
1. 30÷6=5, 15+5=20, 20+8=28
2. 7×3=21, 20-9=11, 11+21=32
3. 5×9=45, 45-5=40, 40+3=43
4. 7×7=49, 12+40=52, 52-9=43, 43+49=92
5. 3×3×3×3=81, 6×7=42, 42÷42=1, 1+81=82
6.?
7. 7×3=21, 34-19=15, 15+21=36
8. 54×10=540, 540-456=84, 84+3=87
9. 4×4=16, 120+4=124, 124-9=115, 115+16=131
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Answers & Comments
Answer:
1. 28 6. 71.375
2. 32 7. 36
3. 43 8. 87
4. 92 9. 131
5. 82 10.81.8333333333
Step-by-step explanation:
1. 30÷6=5, 15+5=20, 20+8=28
2. 7×3=21, 20-9=11, 11+21=32
3. 5×9=45, 45-5=40, 40+3=43
4. 7×7=49, 12+40=52, 52-9=43, 43+49=92
5. 3×3×3×3=81, 6×7=42, 42÷42=1, 1+81=82
6.?
7. 7×3=21, 34-19=15, 15+21=36
8. 54×10=540, 540-456=84, 84+3=87
9. 4×4=16, 120+4=124, 124-9=115, 115+16=131
Activity:
Step-by-Step Explanation:
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