Tính từng bước
-3/4+5
-7/10+14/21+1/35
16/-48+-5/-6+1/5
22/33+-7/12+1/4
100/135+-24/5
46/69+-51/-27
VD:
1/3+2/5
=1/3+2/5
=5/15+6/15
=11/15
giúp mình với
cho 5 sao và hay nhất nha
Tính từng bước -3/4+5 -7/10+14/21+1/35 16/-48+-5/-6+1/5 22/33+-7/12+1/4 100/135+-24/5 46/69+-51/-27 VD: 1/3+2/5 =1/3+2/5 =5/15+6/15 =11/15 giúp mình
By Audrey
`(-3)/4+5=17/4`
`(-7)/10+14/21+1/35(-7)/10+2/3+1/35=(-1)/210`
`16/-48+(-5)/-6+1/5=1/-3+5/6+1/5=7/10`
`22/33+(-7)/12+1/4=22/33-7/12+1/4=1/3`
`100/135+(-24)/5=20/27+(-24)/5=(-548)/135`
`46/69+(-51)/-27=2/3+51/27=23/9`