September 2018 1 12 Report

1.Wykonaj podane działania>

a.(3 1/2+2 4/7-5 3/7)*2 1/3

b.(1 3/5+2 2/7-3 19/35)*1 5/9

c.(2 3/5-1 7/10-9/50)*1 7/8

d.(3 1/2-2 6/7+3/7)*3 3/5

2.Wykonaj podane działanie

(2 2/3-2 2/15):(3 1/2-1 1/10)

3.oblicz3/4róznicy liczby 4 1/5 i 3 2/5


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