September 2018 2 13 Report

Pomóżcie..!!Pilnee!!

1.Ustal znak iloczynu i oblicz.

a)1/2*(-1/3)

b)-2/3*(-3/4)

c)5/12*(-12/5)

d)-5*2/5

e)-1/2*(-8)

f)-7/9*(-2/5)*9-1)

2.Ustal znak ilorazu i oblicz.

a)-1/2:(-1/2)

b)-2:(-1/4)

c)-2/5:2/7

d)-3/8:(-2/3)

e)-6/11:2/3

f)3/10:(-17/20)

3.Oblicz

a)-2*(-0,25)

b)0,1*9-13)

c)-1,25*4

d)-2,8:2

e)-3,6:(-9)

f)15,3:(-3)



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