Question

4+[4-3+(-6+3).√¯49]:[16:(√¯16)]

Answer 1

4 + [ 4 - 3 + ( - 6 + 3 ) . raiz 49 ] : [ 16 : ( raiz16 ) ]
4 + [ 1 + ( - 3 ) . 7 ] ÷ [ 16 ÷ 4 ] =
4 + [ 1 - 3 . 7 ] ÷ 4=
4 + [ 1 -21 ] ÷ 4 =
4 + [ - 20] ÷ 4 =
4 - 20÷ 4 =
4 - 5=
- 1