bai 1 : Quy dong mau cac phan so sau \(\frac{-5}{80}\);\(\frac{7}{16}\);\(\frac{-9}{20}\)bai 2 rut gon roi quy dong mau cac phan so sau\(\frac{-54}{90}\);\(\frac{-180}{288}\);\(\frac{60}{-135}\) ai tra loi nhanh nhat mik se tik cho 4...
Đọc tiếp
bai 1 : Quy dong mau cac phan so sau
\(\frac{-5}{80}\);\(\frac{7}{16}\);\(\frac{-9}{20}\)
bai 2 rut gon roi quy dong mau cac phan so sau
\(\frac{-54}{90}\);\(\frac{-180}{288}\);\(\frac{60}{-135}\)
ai tra loi nhanh nhat mik se tik cho 4 cai
Trả lời
Bài 1:
-5/80;7/16;-9/20
-5/80=-5/80
7/16=35/80
-9/20=-36/80
Bài 2:
-54/90=-6/10=-3/5=-216/360
-180/288=-20/32=-5/8=-225/360
60/-135=-12/27=-4/9=160/380
cac bn oi phai tim mau chung nhe