Question

Efectuați:
A) (9supra2 - 2supra3) ×1spura12
B) (5+1supra5)÷13 supra 15
C) (5-1supra6)÷(1-1supra3)
Vă rog repede!

Answer 1

Răspuns:

a.) (9/2-2/3)×1/12

(27/6-4/6)×1/12

23/6×1/12

23/72

c.) (5-1/6)÷(1-1/3)

(4/6)÷3

4/6÷3/1

4/6÷1/3

4/18=2/9

b.) (5+1/6)÷(13/15)

6/6×15/13

1×15/13

15/13