Các câu hỏi tương tự
4 tháng 6 2021 lúc 19:47
Tính : A [(- 8 ) + ( - 7 ) ] + ( -10) ; B - ( - 299 ) + ( - 219 ) + ( -401 ) + 12 C 555 + ( - 100) + ( -80) + left|-333right| D left|-347right| + ( - 40 ) + 3150 + ( - 307)E 98 . 42 – {50 . [(18 – 23) : 2 + 32 ]} F - 80 - [ - 130 – ( 12 – 4 )2] + 20080G 1000 + ( - 670 ) + 297 + ( - 330 ) H 1024 : 24 + 140 : ( 38 + 25) – 723 : 721I left|-129right|-119+left|2-31right| K 219 +573 + 381 – 17...
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Tính :
A= [(- 8 ) + ( - 7 ) ] + ( -10) ;
B = - ( - 299 ) + ( - 219 ) + ( -401 ) + 12
C = 555 + ( - 100) + ( -80) + \(\left|-333\right|\)
D = \(\left|-347\right|\) + ( - 40 ) + 3150 + ( - 307)
E= 98 . 42 – {50 . [(18 – 23) : 2 + 32 ]}
F = - 80 - [ - 130 – ( 12 – 4 )2] + 20080
G = 1000 + ( - 670 ) + 297 + ( - 330 )
H = 1024 : 24 + 140 : ( 38 + 25) – 723 : 721
I = \(\left|-129\right|\)-119+\(\left|2-31\right|\)
K = 219 +573 + 381 – 173
L = 36 . 33 – 105 . 11 + 22 . 15
N = 160 – ( 2 3 .52 – 6 . 25 )
O = (44 . 52 . 60 ) : ( 11 . 13 .15 )
P = (217 +154) . ( 3 19 – 217 ) . ( 24 - 42)
Q = 100 + 98 + 96 + ….. + 4 +2 – 97 – 95 - …… - 3 – 1
Tính:-3^2+left{-54:left[-2^8+7right]cdotleft(-2right)^2right}Tính hợp lí :31cdotleft(-18right)+31cdotleft(-81right)-31left(-12right)cdot47+left(-12right)cdot52+left(-12right)13cdotleft(23+22right)-3cdotleft(17+28right)-48+48cdotleft(-78right)+48cdotleft(-21right)
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Tính:
\(-3^2+\left\{-54:\left[-2^8+7\right]\cdot\left(-2\right)^2\right\}\)
Tính hợp lí :
\(31\cdot\left(-18\right)+31\cdot\left(-81\right)-31\)
\(\left(-12\right)\cdot47+\left(-12\right)\cdot52+\left(-12\right)\)
\(13\cdot\left(23+22\right)-3\cdot\left(17+28\right)\)
\(-48+48\cdot\left(-78\right)+48\cdot\left(-21\right)\)
a.35-17+2017-35+left(-2017right)b.37+left(-17right)-37+77c.-left(-219right)+left(-219right)-401+12d.|-85|-left(-3right).15e.11.107+11.18-25.11f.115-left(-85right)+53-left(-500+53right)g.left(-18right)+left(-31right)+98+|-18|+left(-69right)h.17.left(15-16right)+16.left(17-20right)k.15.left(-176right)+15.76+100.15l.79.89-79.left(-11right)-100.79m.153.177-153.77+100.left(-77right)n.-69.|-45|-31.|45|o.left(-29right).left(85-47right)-85.left(47-29right)p.left(-167right).left(67-34right)-67.left(34-16...
Đọc tiếp
\(a.35-17+2017-35+\left(-2017\right)\)
\(b.37+\left(-17\right)-37+77\)
\(c.-\left(-219\right)+\left(-219\right)-401+12\)
\(d.|-85|-\left(-3\right).15\)
\(e.11.107+11.18-25.11\)
\(f.115-\left(-85\right)+53-\left(-500+53\right)\)
\(g.\left(-18\right)+\left(-31\right)+98+|-18|+\left(-69\right)\)
\(h.17.\left(15-16\right)+16.\left(17-20\right)\)
\(k.15.\left(-176\right)+15.76+100.15\)
\(l.79.89-79.\left(-11\right)-100.79\)
\(m.153.177-153.77+100.\left(-77\right)\)
\(n.-69.|-45|-31.|45|\)
\(o.\left(-29\right).\left(85-47\right)-85.\left(47-29\right)\)
\(p.\left(-167\right).\left(67-34\right)-67.\left(34-167\right)\)
cứ từ từ mà làm cũng đc
Thực hiện phép tính
a) \(2011+5\left[300-\left(17-7\right)^2\right]\)
b) \(695-\left[200+\left(11-1\right)^2\right]\)
c) \(129-5\left[29-\left(6-1\right)^2\right]\)
d) \(2345-1000:\left[19-2\left(21-18\right)^2\right]\)
Ai làm nhanh mik tick
11 tháng 7 2023 lúc 18:20
Tính hợp lí:
a) left(-0,4right)+dfrac{3}{8}+left(-0,6right)
b) dfrac{4}{5}-1,8+0,375+dfrac{5}{8}
c) dfrac{7}{3}.left(-2,5right).dfrac{6}{7}
d) dfrac{7}{12}.left(-2,34right)-dfrac{7}{12}.left(-0,34right)
e) dfrac{-8}{3}.dfrac{2}{11}-dfrac{8}{3}:dfrac{11}{9}
Giúp với!
Đọc tiếp
Tính hợp lí:
a) \(\left(-0,4\right)+\dfrac{3}{8}+\left(-0,6\right)\)
b) \(\dfrac{4}{5}-1,8+0,375+\dfrac{5}{8}\)
c) \(\dfrac{7}{3}.\left(-2,5\right).\dfrac{6}{7}\)
d) \(\dfrac{7}{12}.\left(-2,34\right)-\dfrac{7}{12}.\left(-0,34\right)\)
e) \(\dfrac{-8}{3}.\dfrac{2}{11}-\dfrac{8}{3}:\dfrac{11}{9}\)
Giúp với!
Tính các tổng sau
\(a,S=1+\left(-2\right)+3+\left(-4\right)+...+\left(-2014\right)+2015\)
\(b,S=\left(-2\right)+4+\left(-6\right)+8+...+\left(-2014\right)+2016\)
\(c,S=1+\left(-3\right)+5+\left(-7\right)+...+2013+\left(-2015\right)\)
\(d,S=\left(-2015\right)+\left(-2014\right)+\left(-2013\right)+...+2015+2016\)
31 tháng 8 2021 lúc 15:33
Tính x thuộc N
\(a,\left(x-9\right)^4=\left(x-9\right)^7\)
\(b,\left(3x-15\right)^{10}=\left(3x-15\right)^{15}\)
\(c,\left(x-8\right)^3=\left(x-8\right)^6\)
cho mik bài giải nhé đừng cho mỗi đáp án thế khó làm lắm
\(\left(1-\frac{1}{3}\right).\left(1-\frac{1}{5}\right).\left(1-\frac{1}{7}\right).\left(1-\frac{1}{9}\right).\left(1-\frac{1}{11}\right).\left(1-\frac{1}{13}\right).\left(1-\frac{1}{2}\right).\left(1-\frac{1}{4}\right).\left(1-\frac{1}{6}\right).\left(1-\frac{1}{8}\right).\left(1-\frac{1}{10}\right)\)Nhờ các bn giải giúp bài toán này. ai nhanh nhất sẽ có tích cho người đó.
kt bn với mình nữa nha các bn
Bài 2 :
a, \(\frac{3}{\left(x+2\right)\left(x+5\right)}+\frac{5}{\left(x+5\right)\left(x+10\right)}+\frac{7}{\left(x+10\right)\left(x+17\right)}=\frac{x}{\left(x+2\right)\left(x+17\right)}\)
b, \(\frac{2}{\left(x-1\right)\left(x-3\right)}+\frac{5}{\left(x-3\right)\left(x-8\right)}+\frac{12}{\left(x-8\right)\left(x-20\right)}-\frac{1}{\left(x-20\right)}=\frac{-3}{4}\)