Uzupełnij:
prz. a) strata 6 i strata 7 to strata 13 -6 + (-7) = -13
b) strata 60 i strata 30 to ............... -60 + (-30) = .......
c) strata 21 i strata 19 to .............. ..... + ...... = .....
d) strata 70 i zysk 80 to ............. -70 + 80 = .....
e) zysk 10 i strata 12 to ............ 10 + (-12) = .....
f) strata 17 i zysk 15 to .............. .....+ ...... = ........
g) zysk 65 i strata 110 to ............... .....+......=..........
h) strata 3,5 i zysk 7,5 to .............. ......+.....=..........
plis
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a) strata 6 i strata 7 to strata 13 -6 + (-7) = -13
b) strata 60 i strata 30 to strata 90 -60 + (-30) =-90
c) strata 21 i strata 19 to strata 40 -21 + (-19) =-40 .....
d) strata 70 i zysk 80 to zysk 10 -70 + 80 = 10
e) zysk 10 i strata 12 to strata 2 10 + (-12) = -2
f) strata 17 i zysk 15 to strata 2 -17+15 = -2
g) zysk 65 i strata 110 to strata 45 65+(-110 )=- 45
h) strata 3,5 i zysk 7,5 to zysk 4 -3,5+7,5=4