October 2018 1 25 Report

Działania na liczbach dodatnich i ujemnych

71. Oblicz w pamięci :

a) -11 + 43

b) -73 + 25

c) 67 -100

d)-26 -45

e) 13+ (-59)

f)-8-(-64)

g) - 1/5 + 4/5

h) -24 i 7/11 + 14 i 2/11

i) -3 i 2/3 - 4

j)-6,3 - 2,2

k)2,6 + (-10)

l)-0,2 - (-0,7)

Zad.74 Oblicz w pamięci :

a) 3 x (-2/3)

b) (-4) x 5/12

c) 1,2 x (-3)

d) (-4,7)x2

e) (-3/4) x (-8)

f) (-4 ) x (-1,1)

g) (-3) do potegi drugiej

h) -4 do potegi drugiej

i) - 9-(1/2) do potegi drugiej

j) (-2) do potegi trzeciej


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