Question

Solucione cada expressão:
a) (1/3 • 6/5) - (3/15 • 5/6)

b) (2/7 • 21/10) - 1/2 + (5/8 • 4) + 4/3

Answer 1

Resposta:

$a)\left(1/3\cdot \:6/5\right)-\left(3/15\cdot \:5/6\right)=\frac{7}{30}\\b)\left(2/7\cdot \:21/10\right)-1/2+\left(5/8\cdot \:4\right)+4/3 = \frac{59}{15}$