3) Efetue as multiplica\u00e7\u00f5es. (Simplifique ao m\u00...

Efetue as multiplica\u00e7\u00f5es. (Simplifique ao m\u00e1ximo quando poss\u00edvel).

a) \u00a0\u00a03/4 \u00d7 1/2 =

b) \u00a01/8 \u00d7 3/4 =

c) \u00a02/7 \u00d7 7/5 =

Efetue as divis\u00f5es. (Simplifique ao m\u00e1ximo quando poss\u00edvel).

a) \u00a04/3 \u00f7 5/7 =

b) \u00a03/5 + 1 =

c) \u00a03 \u00f7 2/7 =

d) \u00a02/3 + 4/5 =

$3) Efetue as multiplica\u00e7\u00f5es. (Simplifique ao m\u00e1ximo quando poss\u00edvel). a) \u00a0\u00a03/4 \u00d7 1/2 = b) \u00a01/8 \u00d7 3/4 = c) \u00a02/7 \u00d7 7/5 = 4) Efetue as divis\u00f5es. (Simplifique ao m\u00e1ximo quando poss\u00edvel). a) \u00a04/3 \u00f7 5/7 = b) \u00a03/5 + 1 = c) \u00a03 \u00f7 2/7 = d) \u00a02/3 + 4/5 =$

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