Oblicz .

a . -12 + ( -11 ) =
b . -50 + 25 =
c . -101 + ( -120 )

d . -7 + 42 =
e . -101 + 84 =
f . -106 + 120 =

g . -16 + 3 =
h . 99 + ( -19 ) =
i . -27 + 31 =

zad 2 .

- w kreski wstaw pasujace liczby . ; pp


a . -16 + ________ = 32
b . 16 + _______ = -16
c . 16 + ______ = -32

d . - 2,5 + _______ = -10
e . - 2,5 + ______ = 10
f . 2,5 + _______ = - 2,5

ps . te małe kreski są w liczbach . ;)

3

Odpowiedzi

2010-03-07T19:04:48+01:00
A . -12 + ( -11 ) = -23
b . -50 + 25 = -25
c . -101 + ( -120 )= -221

d . -7 + 42 = 35
e . -101 + 84 = - 17
f . -106 + 120 = 14

g . -16 + 3 = -13
h . 99 + ( -19 ) = 80
i . -27 + 31 =4

a . -16 + 48 = 32
b . 16 + (-32) = -16
c . 16 + (-48) = -32

d . - 2,5 + (-7,5)= -10
e . - 2,5 + 12,5= 10
f . 2,5 + (-5)= - 2,5
2010-03-07T19:05:01+01:00
A . -12 + ( -11 ) =-23
b . -50 + 25 =-25
c . -101 + ( -120 )=-221

d . -7 + 42 = 35
e . -101 + 84 = -17
f . -106 + 120 = 14

g . -16 + 3 = -13
h . 99 + ( -19 ) = 80
i . -27 + 31 = 4

zad 2 .

a . -16 + 48= 32
b . 16 +(-32) = -16
c . 16 + (-48) = -32

d . - 2,5 + (-7,5)= -10
e . - 2,5 + 12,5= 10
f . 2,5 + (-5)= - 2,5

2010-03-07T19:05:09+01:00
1
a)-23
b)-25
c)-221
d)35
e)-17
f)-22
g)-13
h)80
i)4

2
a)16
b)0
c)-16
d)-12,5
e)7,5
f)0