September 2018 1 13 Report

Ułamki zwykłe:

1. Oblicz

a)1 - 5 +2=

4 3

b) 7 * 4 - 7 : 7 =

6 3 8 4

c) 3 + 2 :(-8)=

4 3 12

d)-2 1 * (- 1 - 2)=

2 2 3

Zad.2 Oblicz:

a)(2+1): 4 =

3 3


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