October 2018 1 17 Report

1. wyrażenie -(2- 1/4) : (-3/4 +3) ma wartość:

a -63/16

b -7/9

c 63/16

d 7/9

Koniecznie z obliczeniem!

2.Zdanie:Od sumy liczb 7/9 i 0,8 odejmij kwadrat liczby 2/3 .


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