Question

2{4[7+4(5×3-9)]-3(40-8)}=

Answer 1

Explicación paso a paso:

2{4[7+4(5×3-9)]-3(40-8)}=

2{4[7+4+5×3-9]-3-40+8}=

2{4+7+4+5×3-9+3+40-8}=

2+4+7+4+5×3-9+3+40-8=

+2+4+7+15-9+3+40-8=

+2+4+7+15+3+40 -9-8

+71 -17

=+54