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Va rog rapid...Mai am 1​

Va Rog RapidMai Am 1 class=

Răspuns :

Răspuns:

a) -1/7 + (-3/14) -(-1/2)=

-2/14 -3/14 + 7/14=

-5/14 + 7/14=

2/14= 1/7

d) 1/6 - (-1/4) + 5/12 -(+7/3)=

2/12 + 3/12 + 5/12 - 28/12 =

10/12 - 28/12=

-18/12 = - 9/6= - 3/2