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Question
Simplify the following:
(i) 2.3−[1.89−{3.6−(2.7−¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯0.8−0.03)}]
(ii) 4.5−12 of (7.6−3.5)+2.3×4.05
(i) 2.3−[1.89−{3.6−(2.7−¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯0.8−0.03)}]
(ii) 4.5−12 of (7.6−3.5)+2.3×4.05
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Solution
(i) =2.3−[1.89−{3.6−(2.7−0.77)}]
=2.3−[1.89−1.67]
=2.3−0.22=2.30−0.22=2.08
(ii) =4.5−2.05+2.3×4.05
=4.5−2.05+9.315=11.765
=2.3−[1.89−1.67]
=2.3−0.22=2.30−0.22=2.08
(ii) =4.5−2.05+2.3×4.05
=4.5−2.05+9.315=11.765
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