Question

5*(4+3*7)-2*{5+2*[10-3*(14-3*4)]}

Answer 1

5*(4+3*7)-2*{5+2*[10-3*(14-3*4)]} =
= 5*(4+21)-2*(5+2*(10-3*(14-12))) =
= 5*25-2*(5+2*(10-3*2)) =
= 125-2*(5+2*(10-6)) =
= 125-2*(5+2*4) =
= 125-2*(5+8) =
= 125-2*13 =
= 125-26 =
= 99 

Answer 2

1)3*7= 21
2)21+4= 25
3)3*4=12
4)14-12= 2
5)3*2= 6
6)10-6=4
7)2*4=8
8)8+5=13
9)5*25=125
10)2*13=26
11)125-26=99