![](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)
\(2,5\) x \(4+0,75\) x \(2,5\)
\(=2,5\) x \(\left(4+0,75\right)\)
\(=2,5\) x \(4,75\)
\(=11,875\)
![](https://rs.olm.vn/images/avt/0.png?1311)
0,75 + 1,5 \(\times\) 97,8 \(\times\) 0,5 + 0,25 \(\times\) 3 \(\times\) 1,2
= 0,75 \(\times\) 1 + (1,5 \(\times\) 0,5)\(\times\) 97,8 + (0,25 \(\times\)3) \(\times\) 1,2
= 0,75 \(\times\) 1 + 0,75 \(\times\) 97,8 + 0,75 \(\times\) 1,2
= 0,75 \(\times\) ( 1 + 97,8 + 1,2)
= 0,75 \(\times\) [1 + ( 97,8 + 1,2)]
= 0,75 \(\times\) [1 + 99]
= 0,75 \(\times\) 100
= 75
![](https://rs.olm.vn/images/avt/0.png?1311)
0,75 = \(\frac{3}{4}\)
\(\frac{4}{3}\) x 2011 x \(\frac{3}{4}\)
= \(\frac{4}{3}\) x \(\frac{3}{4}\) x 2011
= 1 x 2011
= 2011
![](https://rs.olm.vn/images/avt/0.png?1311)
13,25\(\times\)4 + 13,25 \(\times\)5 + 13,25 \(\times\)2 - 13,25
= 13,25 \(\times\)( 4+5+2-1)
= 13,25 \(\times\)10
= 132,5
tym cho mk nhé
![](https://rs.olm.vn/images/avt/0.png?1311)
=3/4.0,25+3/4.1,25-3/4.0,5
=3/4.(0,25+1,25-0,5)
=3/4.10
=15/2
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a)101\times0,75-0,75\)
\(=0,75\times(101-1)\)
\(=0,75\times100=75\)
___________________________________________
`b)10:0,5+4:0,25+8:0,125`
\(=10\times2+4\times4+8\times8\)
\(=5\times4+4\times4+4\times16\)
\(=4\times(5+4+16)\)
\(=4\times25=100\)
19,8 × 0,75 + 19,8 : 4
= 19,8 × 0,75 + 19,8 × 0,25
= 19,8 × (0,75 + 0,25)
= 19,8 × 1
= 19,8
=19,8(0,75+0,25)=19,8