OBLICZ
a) 2,6-1/4: [2-(-1,75)=
b)(-3/5) * (-20/27) * 15 * (-40)* (-9/16) * 0,15 =
c)(0,65-3) : 3 1/3 =
d) 4 1/2- 3 * 2
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2 1/2 :3
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a)2,6-0,25:3,75=2,35:3,75=-0,62(6)