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a) 3499 + 1104 : 23 - 75
= 3499 + 48 - 75
= 3451 - 75
= 3376
b) ( 31850 - 365 x 50 ) : 68
= ( 31850 - 18250 ) : 68
= 13600 : 68
= 200
a) 3499 + 1104 : 23 - 75
= 3499 + 48 - 75
= 3547 - 75
= 3472
b) ( 31850 - 365 x 50 ) : 68
= ( 31850 - 18250 ) : 68
= 13600 : 68
= 200
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 1029 - 896 : 32 x 21
= 1029 - 896 : 672
= 1029 - 4/3
= 3083/3
b) 3499 + 1104 : 23 - 75
= 3499 + 48 - 75
= 3537 - 75
= 3462
c) ( 31850 - 365 x 50 ) : 68
= ( 31850 - 18250 ) : 68
= 13600 : 68
= 200
![](https://rs.olm.vn/images/avt/0.png?1311)
a)1029-(896:32)x21
=1029-28x21
=1029-(28x21)
=1029-588
=441
![](https://rs.olm.vn/images/avt/0.png?1311)
=100000-(47.(75+24+1) b) =276.(50+36+4)
=100000-4700 =276.90
=95300 =24840
\(100000-\left(47.75+47.24+47\right)\)
\(=100000-\left(47.75+47.24+47.1\right)\)
\(=100000-\left[47.\left(75+24+1\right)\right]\)
\(=100000-47.100\)
\(=100000-47000\)
\(=53000\)
\(276.50+276.36+1104\)
\(=276.50+276.36+276.4\)
\(=276.\left(50+36+4\right)\)
\(=276.90\)
\(=24840\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(3499+1104\div23-75\)
\(=3349+48-75\)
\(=3547-75\)
\(=3472\)
3499 + 1104 : 23 - 75
= 3499 + 48 - 75
= 3547 - 75
= 3472