Question

3x5 -[ 39 x5-(2x 42 +6 x 16): 2]: 7=
Ajutatima urgent!!!!!!!​

Answer 1

Salut!

3 × 5 - [ 39 × 5 - ( 2 × 42 + 6 × 16 ) ÷ 2 ] ÷ 7 =

3 × 5 - [ 39 × 5 - ( 84 + 96 ) ÷ 2 ] ÷ 7 =

3 × 5 - ( 39 × 5 - 180 ÷ 2 ) ÷ 7 =

3 × 5 - ( 195 - 90 ) ÷ 7 =

3 × 5 - 105 ÷ 7 =

3 × 5 - 15 =

15 - 15 =

0

Answer 2

Răspuns:

3x5-[39x5-(2x42+6x16):2]:7=0

3x5-[39x5-(84+96):2]:7=0

3x5-[39x5-180:2]:7=0

3x5-[195-90]:7=0

3x5-105:7=0

3x5-15=0

15-15=0