(18.7/29-21.25/76+11/35)-(17.7/29-4.24/35) 1/4+3/4X=0,4 20.29/125-(3X-3/5)MU 3=20.21/125 4.1/4X+75%X-6/12=17.9/18

0 bình luận về “(18.7/29-21.25/76+11/35)-(17.7/29-4.24/35) 1/4+3/4X=0,4 20.29/125-(3X-3/5)MU 3=20.21/125 4.1/4X+75%X-6/12=17.9/18”

1. `1/4+3/4X=0,4`

   `⇒3/4X=0,4−1/4=0,15`

   `⇒x=15`

   $#JAW#$

    

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2. Ngắn gọn:

   `1/4+3/4X=0,4`
   `=> 3/4x =0,4-1/4=0,15`
   `=> x=1/5`

   Dài dòng:

   `1 /4+3/4X=0,4`
   `-> 3/4x = 0,4 – 1/4`
   `-> 3/4x = 3/20`
   `-> x = 3/20 : 3/4`
   `-> x =✓1/5`

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