Question

13. Resolva as seguintes expressões numéricas:
 
Obs: quero as contas armadas 

A- 12×3 + 15 ÷ 5 =

B- (40 - 25) ÷ 3+7×5=


C- (12- 5) × (12+5)-17=


D- ( 20 ÷ (12-8 )) × 7 - 10=


E- 100 ÷ ( 25-5) + 3 × 10=


F- ((( 40 ÷ 8 ) -3) × 4) ÷ 8 =

Answer 1

A) 36 + 3 = 39
B) 15 ÷ 3 + 35 = 5 + 35 = 38
C) ( 7 × 17 ) - 17 = 119 - 17 = 102
D) ( 20 ÷ 4 ) × 7 - 10 = 5 × 7 - 10 = 35 - 10 = 25
E) 100 ÷ 20 + 30 = 5 + 30 = 35
F) [( 5 - 3 ) × 4 ] ÷ 8 = ( 2 × 4 ) ÷ 8 = 8 ÷ 8 = 1