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9900 : 36 - 15 x 11
= 275 - 165
= 110
9700 : 100 + 36 x 12
= 97 + 432
= 529
( 15792 : 336 ) x 5 + 27 x 11
= 47 x 5 + 297
= 235 + 297
= 532
( 160 x 5 - 25 x 4 ) : 4
= ( 800 - 100 ) : 4
= 700 : 4
= 175
1036 + 64 x 52 - 1827
= 1036 + 3328 - 1827
= 4364 - 1827
= 2537
215 . 869 + 215 . 14
= 215 . ( 869 + 14 )
= 215 . 883
= 189945
![](https://rs.olm.vn/images/avt/0.png?1311)
(15792 : 336) x 5 +27 x 11
= 47 x 5 + 297
= 235 + 297
= 532
k mk nha
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\dfrac{5}{11}:\dfrac{10}{49}-\dfrac{5}{11}.\dfrac{3}{10}+\dfrac{10}{11}.\dfrac{27}{10}\\ =\dfrac{49}{22}-\dfrac{3}{22}+\dfrac{54}{22}\\ =\dfrac{50}{11}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{5}{11}\)x \(\frac{27}{11}\)- \(\frac{5}{11}\) x \(\frac{2}{7}\)
= \(\frac{5}{11}\)x ( \(\frac{27}{11}\) - \(\frac{5}{11}\))
=\(\frac{5}{11}\)x \(\frac{22}{11}\)
=\(\frac{5}{11}\) x 2 = \(\frac{10}{11}\)
lấy máy tính ra mà làm
\(\left(\frac{15792}{356}\right)\cdot5-27\cdot11=\left(\frac{3948}{89}\right)\cdot5-297=\frac{19740}{89}-297=\frac{19740}{89}-\frac{297}{1}=\frac{19740}{89}-\frac{26433}{89}=-\frac{6693}{89}\)
Nếu đúng tick đúng nha