Question

5. Relacione a 1ª coluna de acordo com a 2º coluna: (valor 2,0)
( a ) 85 : 5 + 3 × 15 – 50 ( ) 6
( b ) ( 7 × 7 + 5 ) : ( 18 – 15 : 3 + 5 ) × 2 ( ) 33
( c ) ( 30 – 5 × 6) : ( 7 + 2 × 10 ) × ( 40 – 3 + 5 ) ( ) 12
( d ) 2 + 30 : 5 + ( 9 × 6 – 4 ) : 5 – ( 40 : 10 + 3 ) ( ) 0

Answer 1

a) 85 ÷ 5 + 3 × 15 - 50

17 + 45 - 50

62 - 50

$\sf\blue{12 }$

b) (7 × 7 + 5) ÷ (18 - 15 ÷ 3 + 5) × 2

(49 + 5) ÷ (18 - 5 + 5) × 2

54 ÷ 18 × 2

3 × 2

$\sf\red{6 }$

c) (30 - 5 × 6) ÷ (7 + 2 × 10) × (40 - 3 + 5)

(30 - 30) ÷ (7 + 20) × (37 + 5)

0 ÷ 27 × 42

0 × 42

$\sf\purple{ 0}$

d) 2 + 30 ÷ 5 + (9 × 6 - 4) ÷ 5 - (40 ÷ 10 + 3)

2 + 6 + (54 - 4) ÷ 5 - (4 + 3)

2 + 6 + 50 ÷ 5 - 7

2 + 6 + 10 - 7

18 - 7

$\sf\green{ 11}$