Question

a) 33 – 2 x [ 3×2 + (4×2 – 5 ) x 3 ]=253​

Answer 1

Resposta:

33-2x[32+(42-5)x3](42-5 =37)[32+37x3](37x3=111+32=143)33-2x143( ... C) { 25 – [ 5 + (3 x 7 - 4) ] } ÷ 5 + 32 x 2 – ( 82 – 60 ) x 5 = ... 33-2x143( 143x2=286-33=253) Resultado=253.