October 2018 2 21 Report

oblicz:

a) [(8 1/4-2 3/4)-2 1/2]*(8 2/5+2 3/5)=

b) 4 1/2-1/3+1 1/2=

c) 2 2/3-(1 1/2+1/3)=

d) (3 1/2+4 3/4)-(1/2+7/8)=

e) 6 1/3-2 3/4+3 5/6=

f) 5 1/3+2/3+1 1/6=

g) 3 2/5+7/10+1 1/2=

h) (5/8-1/2):2=

i) 2/3:4/9+1/6*9/10=

j) 5 1/3-2*1 3/4=

k) (12 3/4-1 2/3*1 2/5):(2 1/5+6 2/15)=


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