essa tem que ter o m.m.c só quero a conta
a) 2/3 + 1/8=
b) 8/7 + 5/5=
c) 5/4 - 10/9=
d) 7/12 + 14/5=
e) 9/35 . 10/3=
f) 69/70 . 3/2=
g) 6/8 ÷ 35/21=
h) 35/9 ÷ 12/3=
quero igual essa foto so a conta feita
a) 2/3 + 1/8=
b) 8/7 + 5/5=
c) 5/4 - 10/9=
d) 7/12 + 14/5=
e) 9/35 . 10/3=
f) 69/70 . 3/2=
g) 6/8 ÷ 35/21=
h) 35/9 ÷ 12/3=
quero igual essa foto so a conta feita
More Questions From This User See All
Lista de comentários
b) MMC(7,5) = 35
8/7 + 5/5 = 40/35 + 35/35 = 75/35 = 15/7
c) MMC(4,9) = 36
5/4 - 10/9 = 45/36 - 40/36 = 5/36
d) MMC(12,5) = 60
7/12 + 14/5 = 35/60 + 84/60 = 119/60
e) MMC(35,3) = 105
9/35 . 10/3 = 18/105 = 6/35
f) MMC(70,2) = 140
69/70 . 3/2 = 207/140
g) MMC(8,21) = 168
6/8 ÷ 35/21 = 63/280
h) MMC(9,3) = 9
35/9 ÷ 12/3 = 35/9 ÷ 4 = 35/36