đáp án = 1653 bạn nhé
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Các câu hỏi tương tự
Tính nhanh
a)47/53x(17/3-53/47)+17/3x(6/17-47/53)
b)15/37x(38/41-75/45)-38/41x(15/37-82/76)
c)-41/32x(15/8-16/41)+15/8x(41/32-8/3)
47/53. ( 17/3 - 53/47) + 17/3 .( 6/17 - 47/53)
\(\frac{47}{53}.\left(\frac{17}{3}-\frac{53}{47}\right)+\frac{17}{3}.\left(\frac{6}{17}-\frac{47}{53}\right)\)
\(\frac{47}{53}\cdot\left(\frac{17}{3}-\frac{53}{47}\right)+\frac{17}{3}\cdot\left(\frac{6}{17}-\frac{47}{53}\right)\)
Tính nhanh
24.(16-5) +16.(24-5)
b) 31.(-18) +31.(-81) - 31
c) 13.(23+22) -3 . (17+ 28)
d) 11/53+(32/47+-10/53)+-64/94+1/-53+1/3
e) (-1+45/115+47/51)+(-9/23+-1/3)
f) -13/15+(-4/5+7/18)+-5/12+1/16
Ai giúp mk vs ạ cảm ơn nhiều ạ ( mk cần nộp gấp ạ)
47 x 83 + 21 x 53 + 47 x 17 - 79 x 53
47 x 83 + 21 x 53 + 47 x 17 - 79 x 53
3/41 - 12/47 + 27/53 + 4/41 - 16/47 + 36/53
47/53. ( 17/3 - 53/47) + 17/3 .( 6/17 - 47/53)
5/7 . ( 1/2 -1/3 +4/7 ) + ( 1/3 - 1/2 -4/7 ) :7/5
tim x
3 (x-1/2 ) - 5 ( x- 2/3) = 3/2x
help me mik dang can gap . cam on