Question

calcule as operações
a 1/3 + 13/12
b 7/5 - 21/40
c 5/2 x 71/5
d 3/4 - 9/44
e 700/13 + 300/13
f 1/7 : 80/21​

Answer 1

Resposta:

a)1/3 + 13/12

13/36= 0,361

b)7/5 - 21/40

7/8=0,975

c)5/2 x 71/5

71/2=35½

d) 3/4 - 9/44

6/11=054

e)700/13 + 300/13

1000/13

f)1/7 : 80/21

3/80=0,0375