\(x-67421=5678\)

\(x=5678+67421\)

\(x=73099\)

\(x-\left(562+236\right)x5=569\)

\(x-798=569:5\)

\(x-798=113,8\)

\(x=113,8+798\)

\(x=911,8\)

\(x-231x3=263\)

\(x-693=263\)

\(x=263+693\)

\(x=956\)

\(x-560:4=426x9\)

\(x-140=3834\)

\(x=3834+140\)

\(x=3974\)

1405+6543+5687+55555

(1405+55555)+(6543+5687)

56960             +   12230

                         69190

của bạn nè

                      Giải

                         1405+6543+5687+55555

= ( 1405 + 55555 ) + ( 6543 + 5687 )

= 56960 + 12230

= 69190                

Hô nhiều nhưng cố lên các bn ơi các bn sẽ làm được mà

Bạn ghi rõ dấu nhân với x ra , mk chẳng phân biệt đc

a, =

b,>

c,>

4,468397968658136e+22

4,468397968658136e+22

Trả lời
3 
Đánh dấu
điền các dấu thích hợp :+,-,x,:
9...9...9...9 =9
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9 x (9 - 9) + 9 =0

a (X:10)+37=60

X:10=23

X=2,3

b 25xX-15xX=72

X(x25-15)=72

Xx10=72

X=7,2

c 138-(Xx5)=38

Xx5=100

X=20

d (Xx9):52=18

Xx9=936

X=104

e 52xX+48xX=100

Xx(52+48)=100

Xx100=100

X=1

f 623xX-123xX=1000

Xx(623-123)=1000

Xx500=1000

X=2

g Xx16+84xX=700

Xx(16+84)=700

Xx100=700

X=7

h 236xX-Xx36=2000

Xx(236-26)=2000

Xx200=2000

X=10

i 216:X+34:X=10

(216+34):X=10

250:X=10

X=25

f 2125:X-125:X=100

(2125-125):X=100

2000:X=100

X=20

báo cáo nhé?

 the only 

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b. \(\dfrac{4.2.3.5.2.6.2.5.3}{4.3.4.5.6.4.5.6}=\dfrac{1}{4}\)

c. \(\dfrac{17.2.101.2005}{17.2.101.2.2005}=\dfrac{1}{2}\)

d. \(\dfrac{2.3.4.2.11.13.17}{3.11.4.4.17.13.2}=\dfrac{1}{2}\)

a)\(\dfrac{4\times6\times10\times12\times15}{4\times12\times5\times24\times30}=\dfrac{2}{2\times2\times2}=\dfrac{2}{8}=\dfrac{1}{4}\)

b)\(\dfrac{34\times101\times2005}{17\times202\times4010}=\dfrac{2}{2\times2}=\dfrac{2}{4}=\dfrac{1}{2}\)

c)\(\dfrac{6\times8\times11\times13\times17}{33\times16\times17\times26}=\dfrac{6}{3\times2\times2}=\dfrac{1}{2}\)

a) 75*x=1800

x=1800:75

x=24

b) 1855:x=35

x=1855:35

x=53

c)x+x*2+6*x=81

1*x+x*2+6*x=81

x*(1+2+6)=81

x*9=81

x=81:9

x=9

d)155*x-x*146=72

x*(155-146)=72

x*9=72

x=72:9

x=8

*) Ta có:

75 × x = 1800

x = 1800 : 75

x = 24

*) Ta có:

1855 : x = 35

x = 1855 : 35

x = 53