A)stiind ca a+b=-23 si c=4,calculati a*c+b*c
b)stiind ca a+b=18 si c=-9,calculati a*c+b*c
c)stiind ca a-b=67 si c=-3 calculati a*c-b*c
d)stiind ca a-b=67 si c=-7 calculati a*c-b*c

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Răspunsuri

2014-08-10T13:46:29+03:00
Axc+bxc=cx(a+b)=4x23=92
axc+bxc=cx(a+b)=9x18=162
axc-bxc==cx(a-b)=3x67=201
axc-bxc=cx(a-b)=7x67=469

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