Toán ( -13/31 : 5/17 + – 18/ 31 : 5/17 ) . 25/34 help me 06/12/2021 By Sarah ( -13/31 : 5/17 + – 18/ 31 : 5/17 ) . 25/34 help me
Đáp án: (-13/31:5/17-18/31:5/17).25/34 =(-13/31.17/5-18/31.17/5).25/34 =17/5(-13/31-18/31).25/34 =17/5.(-31/31).25/34 =17/5.(-1).25/34 =-17/5.25/34 =-5/2 Trả lời
Đáp án: ( -13/31 : 5/17 + – 18/ 31 : 5/17 ) . 25/34 = (-13/31 . 17/5 – 18/31 . 17/5) . 25/34 = [17/5.(-13/31 – 18/31)] . 25/34 = 17/5 . (-1) . 25/34 = -17/5 . 25/34 = -5/2 Nhớ cho mk ctlhn nhé Trả lời
Đáp án:
(-13/31:5/17-18/31:5/17).25/34
=(-13/31.17/5-18/31.17/5).25/34
=17/5(-13/31-18/31).25/34
=17/5.(-31/31).25/34
=17/5.(-1).25/34
=-17/5.25/34
=-5/2
Đáp án:
( -13/31 : 5/17 + – 18/ 31 : 5/17 ) . 25/34
= (-13/31 . 17/5 – 18/31 . 17/5) . 25/34
= [17/5.(-13/31 – 18/31)] . 25/34
= 17/5 . (-1) . 25/34
= -17/5 . 25/34
= -5/2
Nhớ cho mk ctlhn nhé