Các câu hỏi tương tự
20 - 4/11 +2/13 - 2/19
40 - 8/11 + 4/13 - 4/19
\(\dfrac{11}{8}.\left[\left(-\dfrac{5}{11}:\dfrac{13}{8}-\dfrac{5}{11}:\dfrac{13}{15}\right)+\dfrac{-6}{33}\right]+\dfrac{-3}{4}\)
(-5/11 : 13/8 - 5/11 : 13/5) + (-1/33) (-3/2)2+ | -1/8 | - 5/12 3/5 + |-5/3| - (-1/2)+(-1/4) SOS
Đọc tiếp
(-5/11 : 13/8 - 5/11 : 13/5) + (-1/33) (-3/2)2+ | -1/8 | - 5/12 3/5 + |-5/3| - (-1/2)+(-1/4) SOS
tính một cách hợp lý
a) (-5/11 : 13/8 - 5/11 : 13/5 ) + -1/33
b) 2*6^9 - 2^5 * 18^4/2^2 * 6^8
c)
a) 57+58+59+60+61-17-18-19-20-21
b) 9-10+11-12+13-14+15-16
c) -1-2-3-4-5-.....-1999-2000-2001-2002
-5/4x(-8/13-19/11)-(8/11-5/13)-5/4
21 tháng 7 2023 lúc 12:24
tìm x biết
1) x=-1/2 + 3/4 2) x - 1/5 = 2/11 3) x - 5/6 = 16/42 + -8/56
4) x/5 = 5/6 + -19/30 5) |x| - 1/4 = 6/18 6)x = -1/2 +3/4
7) x/15 = 3/5 + -2/3 8)11/8 + 13/6 = 85/x 9) x - 7/8 = 13/12
10) x - -6/15 = 4/27 11) -\(\dfrac{-6}{12}\)+ x = 9/48 12) x - 4/6 = 5/25 + -7/15
Tính
7/4.[2/3-(1/2-3/8)]3/4-[-(-5/3) - (1/12+2/9)]-6/11+12/-7+(-34)/771/11+2/3+(-19)/33
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