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14. Calculați:
a) (-11)-(+2)-(-5)=
b) (-4)-(+7)-(-25)=
c) (-8)-(-7)-(-5)=
d) (+2)-(-5)-(-7)=


Răspuns :

Răspuns:

a ) ( -11 ) x ( +2 ) × ( -5 ) = ( - 22 ) - ( - 5 ) = 110 b ) ( -4 ) x ( +7 ) × ( -25 ) = ( - 28 ) ( -25 ) = 700 c ) ( -8 ) × ( -7 ) × ( -5 ) = ( + 56 ) × ( -5 ) = -280 d ) ( +2 ) x ( -5 ) × ( -7 ) = ( - 10 ) × ( -7 ) = 70

Succes!