![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
4 km 576 m = 4,576km ; 12 kg 24 g = 12,024kg
1 phút 15 giây = 1,25phút ; 34 cm2 5 mm2 = 34,05cm2
679 dm3 = 0,679m3 ; 2 m3 18 dm3 = 2,018m3
chúc bạn học tốt
4 km 576 m = 4,576km ; 12 kg 24 g = 12,024kg
1 phút 15 giây = 1,25phút ; 34 cm2 5 mm2 = 34,05cm2
679 dm3 = 0,679m3 ; 2 m3 18 dm3 = 2,018m3
chúc bạn học tốt
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
3,2 + 4,65 : 1,5
=3,2+3,1
=6,3
347 + 418 + 123 + 12
=(347+123)+(418+12)
=470+430
=900
34 x 35 + 35 x 38 + 65 x 40 + 65 x 32
=35*(34+38)+65*(32+40)
=35*72+65*72
=72*(35+65)
=72*100
=7200
19 x 16 x 4 + 76 x 34
=76*16+76*34
=76*(16+34)
=76*50
=3800
136 x 68 + 16 x2 x 136
=136*68+32*136
=136*(68+32)
=136*100
=13600
125 x 25 + 125 x 74 + 125
=125*(25+74+1)
=125*100
=12500
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 324 + 68 - 174 + 93 + 132
\(=\left(324-174\right)+\left(68+132\right)+93\)
\(=150+200+93\)
\(=443\)
b, 68 x 125 x 16 x 5
\(=68x5x25x80\)
\(=1700x400\)
\(=680000\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{144}{17}x\frac{34}{12}=24\)
\(\frac{169}{34}:\frac{13}{68}=26\)
N is: 25
![](https://rs.olm.vn/images/avt/0.png?1311)
\(A=\frac{18\times123+9\times567\times2+3\times310\times6}{25\times1,8\times4}\)
\(A=\frac{18\times123+9\times2\times567+3\times6\times310}{25\times4\times1,8}\)
\(A=\frac{18\times123+18\times567+18\times310}{100\times1,8}\)
\(A=\frac{18\times\left(123+567+310\right)}{180}\)
\(A=\frac{18\times1000}{180}\)
\(A=\frac{18000}{180}\)
\(A=100\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a)\(\frac{8}{3}\)
b)\(\frac{1}{5}=0,2\)
c)\(\frac{17}{135}\)
d)\(\frac{2}{3}\)
e)\(\frac{5}{2}=2,5\)
1. 25 + 5 = 30
2. x + 34 = 35
x = 35 - 34
x = 1
3. 122 x 2 = 244
4. 576 + 887 = 1463
5. 93 + 12 = 105
6. 68 + 87 = 155
7. 7 x 9 = 63
8. 85 x 8 = 680