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chúc mng nă mới zui zẻ
B. tính gái trị biểu thức:
( 26 x 16 ) - (6020 : 35 )
=416 - 172
= 244
Câu 2 : a. tìm x:
1. x : 248 = 1000 - 862
x : 248 =138
x = 138 x 248
x = 34224
2.
nhân là : .
~ Cảm ơn đã xem. Nhớ tick cho mình nha! ^^ ~
B. tính gái trị biểu thức:
( 26 x 16 ) - (6020 : 35 )
=416 - 172
= 244
Câu 2 : a. tìm x:
1. x : 248 = 1000 - 862
x : 248 =138
x = 138 x 248
x = 34224
2. \(\dfrac{x}{10}:\dfrac{3}{4}=\dfrac{4}{6}\)
\(\dfrac{x}{10}=\dfrac{4}{6}.\dfrac{3}{4}=\dfrac{1}{2}\)
\(x=\dfrac{1}{2}X10\)
\(x=5\)
nhân là : .
~ Cảm ơn đã xem. Nhớ tick cho mình nha! ^^ ~
\(\dfrac{2}{5}:\dfrac{9}{8}=\dfrac{2}{5}\cdot\dfrac{8}{9}=\dfrac{2.8}{5.9}=\dfrac{16}{45}\)
~ Cảm ơn đã xem. Nhớ tick cho mình nha! ^^ ~
đề bài thiếu nên không thể làm bài dc