Question

dau coroana,va implorr​

Answer 1

Raspuns:

a) 11/2•9-4/18-1/18
11/18-4/18-1/18
11-4-1/18
6/18

b) 8-7+5+2-1/9
7/9

c) 1/10-1/4•5-1/2•25-1/4•25
1/10-1/20-1/50-1/100
(amplificam unele fractii adica pui 10) sau orice numar trebuie sus la fractie,in stanga)
1/10(amplificam cu 10)-1/20(amplificam cu 5)-1/50(amplificam cu 2)-1/100(il lasam asa)
10/100-5/100-2/100-1/100=2/100

d) 4/5-4/25-2/5-1/625
(amplificam)
4/5(il amplificam cu 125)-4/25(il amplificam cu 25)-2/5(il amplificam cu 125)-1/625(il lasam asa)
500/625-100/625-250/625-1/625=
400/625-250/625-1/625=
150/625-1/625=149/625


Sper ca te-am ajutat,spor la lucru! :)