October 2018 1 44 Report

Oblicz. :D Skracajcie jak trzeba i w odpowiedniej kolejności... :D
Ja tego nie kumam :D
*-razy

a ) -48 : [3* (-4)]=
b ) 6-(-7)*(-2)
________________
-4

c ) np. 5/8 - ułamek
-2/7+ 3/8 - 1/2 + 2/7 - 1/4 + 1/2=

d ) - 1,8 * 2/3 - 0,8 * (3/4)2 - do potęgi 2 :D
____________________________
0,9 * 5/9 + ( - 1/2)


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