Resposta:
3 7 7 1
a) ( ------ - ------ ) + ( ------ + ------) =
4 16 8 4
------ - ------ + ------ + ------ =
4 16 8 4 mmc = 16
16:4.3 16:16.7 16:8.7 16:4.1
--------- - ---------- + ---------- + ---------- =
16 16 16 16
12 7 14 4
---- - ---- + ---- + ----- =
12 7 14 4 23
---- - ---- + ---- + ----- = ----------
16 16 16 16 16
...
3 3 2
b) ------ - ------ - ------ =
1 4 2 mmc = 4
4:1.3 4:4.3 4:2.2
--------- - --------- - ----------- =
4 4 4
12 3 4 5
----- - ----- - ----- = -------
4 4 4 4
1 1 2 2 5
c) ------ + ------ + ------ - ------ + ------ =
1 2 3 1 6 mmc = 6
6:1.1 6 :2.1 6:2.2 6:1.2 6:6.5
------- + -------- + -------- - ------- + --------- =
6 6 6 6 6
6 3 6 12 5 8 :2 4
--- + --- + --- - ---- + ---- = --------- = --------
6 6 6 6 6 6 :2 3
d) 4 5 3 2 1 1
----- - ------ - ------ + ------ + ------ + ------ =
1 8 4 1 2 4 mmc = 8
8:1.4 8:8.5 8:4.3 8:1.2 8:2.1 8:4.1
-------- - --------- - --------- + ------- + -------- + -------- =
8 8 8 8 8 8
32 5 6 16 4 2
----- - ----- - --- + ---- + ---- + --- =
32 5 6 16 4 2 43
----- - ----- - --- + ---- + ---- + --- = --------
8 8 8 8 8 8 8
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Resposta:
3 7 7 1
a) ( ------ - ------ ) + ( ------ + ------) =
4 16 8 4
3 7 7 1
------ - ------ + ------ + ------ =
4 16 8 4 mmc = 16
16:4.3 16:16.7 16:8.7 16:4.1
--------- - ---------- + ---------- + ---------- =
16 16 16 16
12 7 14 4
---- - ---- + ---- + ----- =
16 16 16 16
12 7 14 4 23
---- - ---- + ---- + ----- = ----------
16 16 16 16 16
...
3 3 2
b) ------ - ------ - ------ =
1 4 2 mmc = 4
4:1.3 4:4.3 4:2.2
--------- - --------- - ----------- =
4 4 4
12 3 4 5
----- - ----- - ----- = -------
4 4 4 4
...
1 1 2 2 5
c) ------ + ------ + ------ - ------ + ------ =
1 2 3 1 6 mmc = 6
6:1.1 6 :2.1 6:2.2 6:1.2 6:6.5
------- + -------- + -------- - ------- + --------- =
6 6 6 6 6
6 3 6 12 5 8 :2 4
--- + --- + --- - ---- + ---- = --------- = --------
6 6 6 6 6 6 :2 3
d) 4 5 3 2 1 1
----- - ------ - ------ + ------ + ------ + ------ =
1 8 4 1 2 4 mmc = 8
8:1.4 8:8.5 8:4.3 8:1.2 8:2.1 8:4.1
-------- - --------- - --------- + ------- + -------- + -------- =
8 8 8 8 8 8
32 5 6 16 4 2
----- - ----- - --- + ---- + ---- + --- =
8 8 8 8 8 8
32 5 6 16 4 2 43
----- - ----- - --- + ---- + ---- + --- = --------
8 8 8 8 8 8 8
Explicação passo a passo: