Question

16 + { 12 - [ 15 - ( 7 + 8 - 10 ) + 1 ]} =


6 + ( 20 - 4 ) - [ 2 + ( 30 - 25 + 1 ) - 3 ] - 10 =

Answer 1

16+{12-[15-(7+8-10)+1]}=
16+{12-[15-5+1]}=
16+{12-11}=
16+1= 17

6+(20-4)-[2+(30-25+1)-3]-10=
6+16-[2+6-3]-10=
22-5-10=
22-15= 7

Answer 2

16+{12-[15-(5)+1]}
16+{12-[15-5+1]}
16+{12-11}
16+1
=17

6+(20-4)-[2+(30-25+1)-3]-10
6+16-[2+6-3]-10
22-5-10
=7