A)-5.7.(-12).|-4|.(-2)
B)|-2018|.(1992).0
C)-|-25|:(-5)+28:|-7|
D)17-(-84)+17(-16)
E)-39.(-5-99)+99(10-39)
A)-5.7.(-12).|-4|.(-2) B)|-2018|.(1992).0 C)-|-25|:(-5)+28:|-7| D)17-(-84)+17(-16) E)-39.(-5-99)+99(10-39)
By Melody
By Melody
A)-5.7.(-12).|-4|.(-2)
B)|-2018|.(1992).0
C)-|-25|:(-5)+28:|-7|
D)17-(-84)+17(-16)
E)-39.(-5-99)+99(10-39)
A) -5.7.(-12).|-4|.(-2)
= -35.(-12).4.(-2)
= 420 . (-8)=-3360
B) |-2018|.(1992).0
= 2018.1992.0
= 0
C) -|-25|:(-5)+28:|-7|
= -25:(-5)+28:7
= 5 + 4 = 9
D) 17-(-84)+17(-16)
= 17+84+(-272)
= 101 + (-272)=-171
E) -39.(-5-99)+99(10-39)
= -39.(-104) +99.(-29)
= 4056 +(-2871 )= 1185
Đáp án:
Giải thích các bước giải:
A)-5.7.(-12).|-4|.(-2)
=-35.24.4
=-840
=-3360
B)|-2018|.(1992).0
=2018.0
=0
C)-|-25| : (-5) + 28 : |-7|
=-(25) : (-5) + 28 : 7
=5 + 4
=9
D)17 – (-84) + 17(-16)
=17 + 84 – 272
=101 – 272
=-171
E)-39.(-5 – 99) + 99(10 – 39)
=(-39).(-104) + 99(-29)
=4056 – 2871
=1185