SIMPLIFY- (i)18 – [ 18 – {18 – (18 - 18) – 18}]
(i)22 −1/4{16 – (8 ÷4 +2) }
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Answer:
(1) = 18 - (18 - (18 - (0) -18)
= 18 - (18 - 0)
= 18 - 18
= 0
(2) = 22 - 1/4 (16 - (8 ÷ 4 + 2) )
= 22 - 1/4 (16 - 2+2) )
= 22 - 1/4*14+2
= 22 - 14/4 +2
= 22 - 7 /2 +2
= -7/2 + 24
MIXED FRACTION
24*2 +- 7 divided by 2
48 +- 7 divided by 2
= 41/2
decimal from = 41/2
= 20.5
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