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183×2:6×7= 366 : 6 x 7
= 61 x 7
= 427
564:6+83×2= 9,4 + 166
= 175,4
6450-4000:(610:5-114)= 6450 - 4000 : 8
= 6450 - 500
= 5950
a) 183 . 2 : 6 . 7
= 366 : 6 . 7
= 61 . 7
= 427
b) 564 : 6 + 83 . 2
= 94 + 166
= 260
c) 6450 - 4000 : ( 610 : 5 - 114 )
= 6450 - 4000 : ( 122 - 114 )
= 6450 - 4000 : 8
= 6450 - 500
= 5950
Hk tốt
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\(4+\frac{11}{8}-\frac{5}{6}=\frac{96+33-20}{24}=\frac{109}{24}\)
\(\left(\frac{1}{2}+\frac{4}{7}\right)-\left(\frac{3}{7}-\frac{3}{10}\right)=\frac{1}{2}+\frac{4}{7}-\frac{3}{7}+\frac{3}{10}\)
\(\left(\frac{1}{2}+\frac{3}{10}\right)+\left(\frac{4}{7}-\frac{3}{7}\right)=\frac{4}{5}+\frac{1}{7}=\frac{28+5}{35}=\frac{33}{35}\)
ban Chitanda Eru oi to bao nhung ma nhan voi bao nhieu ma ra duoc 96
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6450 - 4000 : (610 : 5 - 114)
= 645 - 4000 : (122 - 114)
= 645 - 4000 : 8
= 645 - 500
= 145
![](https://rs.olm.vn/images/avt/0.png?1311)
6450 - 4000 ( 610 : 5 - 114 ) = 6450 - 4000 ( 122 - 114 )
= 2450 . 8 = 193600
![](https://rs.olm.vn/images/avt/0.png?1311)
\(6450-4000\div\left(610\div5-114\right)\)
\(=\)\(6450-4000\div\left(122-114\right)\)
\(=\)\(6450-4000\div8\)
\(=\)\(6450-500\)
\(=\)\(5950\)
a)\(6450-4000:\left(610:5-114\right)\)
\(=6450-4000:\left(122-114\right)\)
\(=6450-4000:8\)
\(=6450-500\)
\(=5950\)
b)\(564:6+83x2\)
\(=94+166\)
\(=260\)