Question

Me ajudem nessa questão não tou conseguindo fazer essa a​

Answer 1

a) 15 - 14/12 = 1/12

b) _ 2/5 + 7/10 = 3/10

c) _ 45 + 7 - 30 / 45 = _ 68/45

d) _ 1/2 × 1/3 + 5/6 = _ 1/6 + 5/6

e) _ 6/5 × 10/21 = _ 2 × 2/7 = _ 4/7

f) _ 8/9 _ 5/6 = _ 31/18

g) 1/5 × ( _ 5/4 ) _ 2 × 2/3 = _ 1/4 _ 4/3 = _ 19/12

h) _ 21/4 × 1/7 = _ 3/4

i) _ 2/3 × 3/4 × 5/8 = _ 1/2 + 5/8 = 1/8

j) 5/3 + 7/8 × 4/21 = 5/3 + 1/2 × 1/3 = 5/3 + 1/6 = 11/6

k) _ 2 × 5/3 + 4 × 2/3 = _ 10/3 + 8/3 = _ 2/3

Bons estudos!