Question

EXERCIE
Simplify:
1. 21 - 12+ 3 x 2
3. 13 - (12-6-3) 3
5. 36 - [18 - {14 - (15 - 4+2 x 2)}] 21-
4. 3 of 4 3 1
145 50 55 10 5
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Answer 1

Answer:

Mate i didn't understand the nxt equations so plz tell us in detail

Step-by-step explanation:

Hope it helps uh plz mark me as a brainliest plz