x=razy
zad 1.
a) [(2/5)x^2 + 4 x 3/8 ] - 13/50=
b) [1 1/4 + (1/2)x^3 ] x 4/5=
zad 2.
Do kwadratu liczby 1 1/2 dodaj iloczyn liczb 2/3 i 4 1/5 .
zad 3.
Od ilorazu liczb 4 2/3 i 3 1/2 odejmij sześcian liczby 1/2
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zad 2.
(3/2)^2+2/3x21/5=9/4+42/15=5 1/20