Question

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21¡Á£¨1+$\frac{1}{7}$£©
$\frac{1}{9}$¡Á19.75+19.75¡Á$\frac{8}{9}$        
$\frac{3}{7}$+$\frac{6}{7}$¡Â$\frac{2}{3}$
35¡Â£¨$\frac{6}{5}$¡Â$\frac{3}{7}$£©      
£¨ $\frac{2}{3}$+$\frac{5}{8}$-$\frac{1}{4}$£©¡Á24        
$\frac{3}{11}$¡Á15+15¡Á$\frac{8}{11}$£®

Answer 1

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=21+21¡Á$\frac{1}{7}$
=21+3
=24

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=£¨$\frac{1}{9}$+$\frac{8}{9}$£©¡Á19.75
=1¡Á19.75
=19.75

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=$\frac{3}{7}$+$\frac{9}{7}$
=$\frac{12}{7}$

£¨4£©35¡Â£¨$\frac{6}{5}$¡Â$\frac{3}{7}$£©
=35¡Â$\frac{14}{5}$
=12$\frac{1}{2}$

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=$\frac{2}{3}$¡Á24+$\frac{5}{8}$¡Á24-$\frac{1}{4}$¡Á24
=16+15-6
=25

£¨6£©$\frac{3}{11}$¡Á15+15¡Á$\frac{8}{11}$
=15¡Á£¨$\frac{3}{11}$+$\frac{8}{11}$£©
=15¡Á1
=15

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