Matematică, întrebare adresată de converse780, 9 ani în urmă

Va rog am nevoie de astea repede!!!Dau coroana
a)-12 + (-3) · (-16) + (-2)³=
b)-23+{-137 + [245 - (103-57)-2·(-3) · (-4)]}

Răspunsuri la întrebare

Răspuns de Trombolistul
1
a)

12-(-3)×(-16)+(-2)³=

-3×(-16)=48

-12+48=36

(-2)³=8

36+(-8)=28


b)

-23+{-137+[245-(103-57)-2×(-3)×(-4)]}=

103-57=46

46×2=92

92×(-3)=-276

-276×(-4)=1104

245-1104=-859

-137+(-859)=-996

-23+(-996)=-1019


converse780: Mersiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii <3 mersi! ma dor degetele ;3
converse780: cred ca e prea mult dar o sa intreb ... mi-ai putea raspunde si la cealalta intrebare ?
converse780: cea la care nimeni nu a raspuns pana acum
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