Question

Solve this sum in B,O,D,M,A,S formula.

1. 21 -12 ÷ 4 -3 ×(-7)
2. 30 -{8÷(2×3-4)



explain with using formula
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Answer 1

2. 26

Explanation:

start with the brackets with 2×3-4 get the answer as 2 then divide 8 by the answer then subtract the answer you've got from 30