jak obliczyć to:
-12 - (-7) =...
(-7) - 6 =...
-12 - 4 =...
(-9) - (-4) =...
(-3) + (-1) =...
(-5) + 11 =...
nie było mnie na tych lekcjach a mam sprawdzian ;(
pomocy ! ! ! ;D
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1. -5
2.-13
3.-16
4.-5
5.-4
6.6
licze na najj
2. 7+6= 13
3.12+4=16
4. 9 - 4 = 5
5. 3 + 1=4
6. 5 - 11 = -6