1. 25-[20-{10-(7-5-3)}]
2. 100-3[20+{50-40}]
3. 3{(-6)+20}+(-7+9)(2)-12
4. 7+(8-3 of 2)
5. 5+[6{5-4+1}]
6. 20-(10-3+2)
7. 50-[20+{30-(20-5)}]
Answers
Answered by
2
Answer:
1.16
2.10
3.34
4.17
5.17
6.11
7.15
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