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Toán Lớp 7: 9.(x-1)- $\frac{4}{9}$ : $\frac{2}{9}$ = $\frac{1}{4}$

Home/ Toán Lớp 7: 9.(x-1)- $\frac{4}{9}$ : $\frac{2}{9}$ = $\frac{1}{4}$

Toán Lớp 7: 9.(x-1)- $\frac{4}{9}$ : $\frac{2}{9}$ = $\frac{1}{4}$

Bích Hải Tháng Sáu 30, 2022 Toán học 2 Comments 0 views

Toán Lớp 7: 9.(x-1)- $\frac{4}{9}$ : $\frac{2}{9}$ = $\frac{1}{4}$

Comments ( 2 )

maitrucloan
30 Tháng Sáu, 2022 at 11:57 chiều

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9.(x – 1) – 4/9 : 2/9 = 1/4

9.(x – 1) – 2 = 1/4

9.(x – 1) = 1/4 + 2

9.(x – 1) = 9/4

x – 1 = 9/4 : 9

x – 1 = 1/4

x = 1/4 + 1

x = 5/4
doanthulan
30 Tháng Sáu, 2022 at 11:56 chiều

Reply

Câu Trả Lời :

9.(x-1)- $\dfrac{4}{9}$ : $\dfrac{2}{9}$ = $\dfrac{1}{4}$

9.(x-1)-2 = $\dfrac{1}{4}$

9.(x-1)= $\dfrac{1}{4}$+2

9.(x-1)=$\dfrac{9}{4}$

(x-1)=$\dfrac{9}{4}$ :9

(x-1)=$\dfrac{1}{4}$

x= $\dfrac{1}{4}+1$

x= $\dfrac{5}{4}$

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