Question

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Answer 1

a)

(-7+5)×(-16:4+12:3)=

-2×(-4+4)=

-2×0=

0

b)

(-2)²×(-15:3+4)=

(-2)²×(-5+4)=

(-2)²×-1=

2²×-1=

4×-1=

-4

$c) \\ \\ ( - 13 + 5) : {( - 2)}^{3} + {( - 1)}^{5} = \\ \\ - 8 : { - 2}^{3} + {( - 1)}^{5} = \\ \\ - 8 : - 8 - {1}^{5} = \\ \\ - 8 : - 8 - 1 = \\ \\ 1 - 1 = \\ \\ 0$

d)

-3+2×(-6:2+1)=

-3+2×(-3+1)=

-3+2×-2=

-3-4=

-7