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`@` `\text {Ans}`
`\downarrow`
`29 - [16 + 3.(51 - 49)]`
`= 29 - (16 + 3.2)`
`= 29 - (16 + 6)`
`= 29 - 22`
`= 7`
29 – [16 + 3.(51 – 49)]
= 29 - [16 + 3. 2]
= 29 - [16 + 6]
= 29 - 22
= 7
![](https://rs.olm.vn/images/avt/0.png?1311)
a)100:25+7.9=4+16=20
b)84:4+9+1=31
c)29-(16+3.1)=10
d)5.4+98:49=20+2=22
a) 29 – [16 + 3.(51 – 49)]
b) 5.22 + 98:72
c) 311 : 39 – 147 : 72
d) 295 – (31 – 22.5)2
718 : 716 +22.33
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a, 29-[16+3.(51-49)]
=29-[16+3.2]
=29-[16+6]
=29-22
=7
b,10^2-60:(5^6:5^4-3.5)
=100-60:(5^2-15)
=100-60:(25-15)
=100-60:10
=100-6
=94
c,(-123)+/-13/+(-7)
=(-123)+13+(-7)
=-110+(-7)
=-117
k nhé mình nhanh nhất
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\(a,9.5+8.10-27\)
\(=45+80-27\)
\(=125-27\)
\(=98\)
\(b,36:9+100-27.3\)
\(=4+100-81\)
\(=104-81\)
\(=23\)
\(c,29-\left[16+3.\left(51-49\right)\right]\)
\(=29-\left[16+3.2\right]\)
\(=29-\left[16+6\right]\)
\(=29-22\)
\(=7\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) = -29+29+61-31=30
b) = 131-93-16-131+93+4=12
c) = 0-1-3-5-7-...-49-51=-667
7
\(29-\left[16+3.\left(51-49\right)\right]\)
\(=29-\left[16+3.2\right]\)
\(=29-\left[16+6\right]\)
\(=29-22=7\)