Question

Daca
a=[(-2)^3+24:(-3)]•(-6)
b= -4^2+5^2:(-5)
Atunci calculati 7ab-1
Va rog am nevoie cat mai repede posibil
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Answer 1

a=[(-2)³+24:(-3)]×(-6)

a=(-8-8)×(-6)

a=(-16)×(-6)

a=96

b= -4²+5²:(-5)

b= -16+25:(-5)

b= -16-5

b= -21

7ab-1=

=7×96×(-21)-1=

=672×(-21)-1=

= -14112-1= -14113