` 98,72 : 12,5% + 98,72 : 1/4 – 98,72 : 50% `

2 bình luận về “` 98,72 : 12,5% + 98,72 : 1/4 – 98,72 : 50% `”

1. 98,72:12,5%+98,72:1/4−98,72:50%

   = 98,72 : 1/8 + 98,72 : 1/4 − 98,72 : 1/2

   = 98,72 x 8 + 98,72 x 4 − 98,72 x 2

   = 98,72 x ( 8 + 4 – 2 )

   = 98,72 x 10

   = 987,2

   #Huy

   Trả lời
2. 98,72:12,5%+98,72:1/4-98,72:50%

   =98,72:1/8+98,72:1/4-98,72:1/2

   =98,72.8+98,72.4-92,72 . 2

   =98,72.(8+4-2)

   =98,72.10

   =987,2

   @ab+ac+ad=a(b+c+d)

   Trả lời