Question

a) 25 + { 12 + [ 2 – ( 8 – 6 ) + 2 ]} b) 65 – { 30 – [ 20 – ( 10 – 1 + 6) + 1 ]}
c) 38 – { 20 – [ 22 – ( 5 + 3) + ( 7 – 4 +1)]} d) 26 + { 12 – [ ( 30 – 18) + ( 4 – 1) – 6 ] – 1 }

Answer 1

25+{12+ [2-2+2]}

25+{12+2}

25+15

=40