Question

a) [-8+(-4)×(-3)]÷(-1-1)

b) (-6-2+3)÷[-3×(-2+3)+8]

c)-20÷{-6+[(-2)×(-3)÷(+2)]-2}

d) 10-{-6+[(-12)÷(-3)-8]}

Pfv me ajudem!!!
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Answer 1

a) [-8+(-4)×(-3)]÷(-1-1)

[-8-4×(-3)]÷(-2)

[-8+12]÷(-12)

4÷(-2)

-2

b) (-6-2+3)÷[-3×(-2+3)+8]

5÷[-3×(1)+8]

5÷[-3+8]

5÷5

1

c) -20÷{-6+[(-2)×(-3)÷(+2)]-2}

-20÷{-6+[3÷(2)]-2}

-20÷{-6+1,5-2}

-20÷{-6,5}

3,07...

d) 10-{-6+[(12)÷(--3)-8]}

10-{-6+[4-8]}

10-{-6+[-4]}

10-{-6-4}

10-{-10}

10+10

20