Question

A)10+[8+(15-11)-10]+1=
B)15-[2-(-5+1)-6]-1=
C)8.{5-[-3+4.(-1+1)+2]+1}+8=
D)-5.[8+7:(-9+2)-1]+1=

Answer 1

A) 10+[8+(15-11)-10]+1

10+[8+4-10]+1

10+2+1

12+1

13

B)15-[2-(-5+1)-6]-1=

15-[2+4-6]-1

15-1

14

C)8.{5-[-3+4.(-1+1)+2]+1}+8

8.{5-[-3+4.2]+1}+8

8.{5-5+1}+8

8.1+8

8+8

16

D)-5.[8+7:(-9+2)-1]+1

-5.[8+7:(-7)-1]+1

-5.[8-1-1]+1

-5.6+1

-30+1

-29