Question

(-4)x9:[2-(-10)+(-8)] = ?
9x10:[(-3)+(-10)-2] = ?
[(-10)+6]:[(-4)x(-2)-10] = ?
[9:(-9)+5]x[(-7)-3]
[7x3-(-4)]:[(-5)+10] = ?
(-6)x(5-8):(-9)+10 = ?
[4x(-10)+8-(-8)]:(-2) = ?
[(-7)+(-10):(-5)-(-4)]x(-3) = ?
[8-(-7)]x[(-4)]x[(-4)+(-2)]:(-5) = ?
[(-9):(-3)-(-8)+(-10)]x8 = ?

Va rog, am nevoie urgent!

Answer 1

Răspuns:

Explicație pas cu pas:

(-4) × 9 : [2 - ( - 10 ) + ( - 8 ) ] = - 9

= ( - 36 ) : ( 2 + 10 - 8) =

= ( - 36) : ( 12 - 8) =

= ( - 36) : 4 =

= - 9

________________________

9 × 10 : [ ( - 3 ) + ( - 10) - 2] = - 6

= 90 : ( - 3 - 10 - 2 ) =

= 90 : ( - 13 - 2 ) =

= 90 : ( - 15 ) =

= - 6

____________________

[ ( - 10 ) + 6 ] : [ ( - 4 ) × ( - 2) - 10 ] = + 2

= ( - 10 + 6 ) : ( + 8 - 10 ) =

= ( - 4) : ( - 2) =

= + 2

____________________

[ 9 : ( - 9 ) + 5 ] × [ ( - 7 ) - 3 ] = - 40

= ( - 1 + 5 ) × ( - 7 - 3 ) =

= 4 × ( - 10 ) =

= - 40

_____________________

[ 7 × 3 - ( - 4 ) ] : [ ( - 5 ) + 10 ] = 5

= ( 21 + 4 ) : ( - 5 + 10 ) =

= 25 : 5 =

= 5

_________________________

( - 6 ) × ( 5 - 8 ) : ( - 9 ) + 10 = 8

= ( - 6) × ( - 3 ) : ( - 9) + 10 =

= ( + 18 ) : ( - 9) + 10 =

= - 2 + 10 =

= 8  

___________________________

[ 4 × ( - 10) + 8 - ( - 8 ) ] : ( - 2 ) = 12

= [ - 40 + 8 + 8 ) : ( - 2 ) =

= ( - 32 + 8 ) : ( - 2 ) =

= ( - 24 ) : ( - 2 ) =

= 12  

_______________________

[ ( - 7 ) + ( - 10) : ( - 5 ) - ( - 4 ) ] × ( - 3 ) = 3

= ( - 7 + 2 + 4 ) × ( - 3 ) =

= ( - 5 + 4 ) × ( - 3 ) =

= ( - 1 ) × ( - 3 ) =

= + 3

__________________________

[ 8 - ( - 7 ) ] × [ ( - 4 ) ]× [ ( - 4 ) + ( - 2 ) ] : ( - 5) =  - 72

= ( 8 + 7 ) × ( - 4) × ( - 4 - 2 ) : ( - 5) =

= 15 × ( - 4) × ( - 6 ) : ( - 5) =

= ( - 60 ) × ( - 6) : ( - 5)

= ( + 360 ) : ( - 5) =

= - 72

__________________________________

[ ( - 9 ) : ( - 3 ) - ( - 8 ) + ( - 10 ) ] × 8 = 8

= ( + 3 + 8 - 10 ) × 8 =

= ( 11 - 10 ) × 8 =

= 1 × 8 =

= 8