Question

resolva as expressões numéricas abaixo: ​

Answer 1

Resposta:

a)

$7 + 15 \div 3 \\ \\ 7 + 5 \\ \\ \green{ 12}$

b)

$4 \times 3 + 10 \div 2 \\ \\ 12 + 5 \\ \\ \green{ 17}$

c)

$4 \times 5 + 1 \\ \\ 20 + 1 \\ \\ \green{ 21}$

d)

$32 \div 4 \div 2 \div 2 \\ \\ 8 \div 2 \div 2 \\ \\ 4 \div 2 \\ \\ \green{ 2}$

e)

$20 - (15 + 6 \div 3) \\ \\ 20 - (15 + 2) \\ \\ 20 - (17) \\ \\ \green{3}$

f)

$4 \times (10 + 20 + 15 + 30) \\ \\ 4 \times (75) \\ \\ \green{300}$

g)

$60 - [8 + (10 - 2) \div 2] \\ \\60 - [8 + (8) \div 2] \\ \\ 60 - [8 + 4] \\ \\ 60 - [12] \\ \\ \green{48}$

h)

$40 + 2 \times [20 - (6 + 4 \times 7) \div 2] \\ \\ 40 + 2 \times [20 - (6 + 28) \div 2] \\ \\ 40 + 2 \times [20 - (34) \div 2] \\ \\ 40 + 2 \times [20 - 17] \\ \\ 40 + 2 \times [3] \\ \\ 40 + 6 \\ \\ \green{46}$

Bons Estudos!