1.
a) 2 ⅓ + (-1 ¼)=
b) -5 ¾ - (-7 ¼)=
c) 6 ⅛ + (-6,125)=
d) -5,7 - (+4 ³/₅)=
e) 7,8 + (-8 ½)=
f) -4,9 - (-3 ⁴/₅)=
dam naj ; )
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1.
a)
2 1/3 + (-1 1/4) = 2 4/12 -1 3/12 = 1 i 1/12
b)
-5 3/4 -(-7 1/4) = -5 3/4 + 7 1/4 = 6 5/4 - 5 3/4 = 1 2/4 = 1 i 1/2 = 1,5
c)
6 1/8 +(-6,125) = 6,125-6,125 = 0
d)
-5,7 -(4 3/5) = -5,7 - 4,6 = -10,3
e)
7,8 +(-8 1/2) = 7,8 - 8,5 = -0,7
f)
-4,9 -(-3 4/5) = -4,9 + 3,8 = -1,1