7434 : 45 + 567 =.......................
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a,1234+567+455
=1801+455
=2256
b, 234+567+864
=1801+864
= 2665
c, 23456+6787+45
= 30243+45
=30288
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b: \(\left(124567-4567\right):5=240000\)
c: \(751\cdot68+751\cdot32=75100\)
d: \(\left(1300-300\right)\cdot45=45000\)
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c, 126 - (126 - 33)=126-126+33=33
d, (-53 - 23) - (567 - 53) =-76-567+53=-590
e, 145 - (23 - 45) - (-23 - 10) =145+22+33=200
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103 + 456 = 559
567 + 345 - 327 = 585
45 x 66 - 56 + 90 = 3004
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0,1(2)=\(\frac{12-1}{90}=\frac{11}{90}\)
0,0(8)=\(\frac{8-0}{90}=\frac{4}{45}\)
3,2(45)=\(3+\frac{245-2}{990}=3+\frac{27}{110}=\frac{357}{110}\)
-0,34(567)=\(-\frac{34567-34}{99900}=-\frac{1279}{3700}\)
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a) \(\left(743-569\right)-\left(431-1257+996\right)\)
\(=743-569-431+1257-996\)
\(=\left(743+1257\right)-\left(569+431\right)-996\)
\(=2000-1000-996\)
\(=4\)
a. (2x - 612) + (-303) = 111-x
2x - 612 - 303 = 111 - x
2x - (612+303) = 111 - x
2x - 915 = 111 - x
2x + x = 111 + 915
3x = 1026
x = 1026 : 3
x = 342
vậy_____
123+234+345+45+567+678= ??????????
giúp mk với
ah cho mk hỏi
CON GÀ CÓ TRƯỚC HAY QUẢ TRỨNG CÓ TRƯỚC VẬY
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=732,2 nha
HT
=732,2 nhé