September 2018 2 50 Report

Oblicz: pamiętaj o kolejności wykonywania działań

/-kreska ułamkoka

*-znak mniżenia

a) (3/4-1/5):1/2=

b) 3,2:(0,8-2/5)=

c) 2/3*(1/2-1/6)=

d)4,8+1/3*(1/2-0,6)=

e) (1-7/9)*(5,2-0,7)=

f) 123:10+0,2*6,1=

g) (6,5-4,7):(4-2 1/5)=

h) (1,5-1 1/3)*2 2/5-0,1=

i) (6,25-2 1/2):2 1/7-1=


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