2
[(5/6 - 1/3) -1/5] ÷ { 9/4-[1/2 • (2 - 1/3)]}
Soluções para a tarefa
Resposta:
144:612=0,20305020904010106106041 resto =20
Explicação passo-a-passo:
[(5/6- 1/3) -1/5] : {9/4-[1/2 . (2 - 1/3)]}=
=[(5-2/6) -1/5] : {9/4-[1/2 . (6/3-1/3)]}
=[1/2-1/5] : { 9/4-[1/2 . 5/3]}
=[0,3] : { 9/4-[5/6]}
=0,3 : {27-10/12}
=0,3: 17/12
=12/36 : 17/12
= 12/36. 12/17 ²+²36 144 I___612
. x 17 1440 0,20305020904010106106041
. ---------- 1224
. ¹252 2160
=144/ 612 + 36 1836
= --------------- 3240
612 3060
1800
1224
5760
6120-612= 5508 5508
2520
2448
720
1080
4680
- 3672
1008
³416¹0
- 3672
3080
-2448
632
20 resto