October 2018 1 23 Report

zad 1 s 12
Oblicz:
a) 1 1/3+3 2/3=
b) 4 2/3+7 4/5=
c) 4 1/3-2 2/3=
d) 6 3/5-8 4/5=
e) -3 2/7+7 6/7=
f) -9 4/9-5 7/9=
g) 1 1/2+ 1/3=
h) 2 2/3+ 1/2=
i) 3 1/2- 1/4=
j) 1 1/4- 1/2=
k) 2 3/4-3 1/2=
l) 5 1/4-4 2/3=

zad 1 s 13
Oblicz:
a) (1/2*1/2) : 9/8=
b) (9/5*20/3) : 4/25=
c) (2/3*4/9) : 1/6=
d) (5/8*15/4) : 6/5=
e) (1/2*1/3) : 1/6=
f) (2/3*5/6) : 8/15=

Proszę was o pomoc !!! Dziękuje


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