Question

Calcule:
a)72-(+8)x(-6)
b)(-8)x(+4)x(+2)
c)20-2 x(-21)+(-6)x(+9)
d)(-86)x(-3)x 0 x (-2)
me ajudem

Answer 1

a)72-(-48)= 72+48= 120
b)-32×(+2)= -64
c)18×(-21)-6×9= -378-54= -432
d)+258×(-3) ×0×(-2)= -774×0×(-2)=0

Answer 2

a)72-(+8)x(-6)

72 - (- 48 )

72 + 48

120



b)
(-8)x(+4)x(+2)

- 32 * (+2)

- 64



c)
20-2 x(-21)+(-6)x(+9)

20 + 42 + ( -54)

62 - 54

8


d)
(-86)x(-3)x 0 x (-2)

0