October 2018 1 21 Report

Oblicz: a]2 1/3( jedna trzecia) + 3 2/5(dwie piąte)= b]5-3 1/7= c]1 2/3 * 3 1/2= d]5:7= e]12:9= f]2:(-3)= g]2a + 3a= h]2a*3a= i]-5x-2x= j](-5x)*(-2x)= k]-2a + 5b+4a-3b= l]5a(do potęgi 2)-3a+1-2a(do potęgi 2)+7a+2= m]5+(3x-1)= n]5-(3x-1)= o]-5:(-3)= p]-35:(-7)= r]-14:5= s]6:11= t]9:(-4) u]-16:(-5)= w]3(x-1)= y]4(-2x+3y+1)=

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