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![](https://rs.olm.vn/images/avt/0.png?1311)
\(a,347\cdot2^2-2^2\cdot\left(216+184\right):8\)
\(< =>1388-4\cdot400:8\)
\(< =>1388-1600:8\)
\(< =>1388-200\)
\(< =>1188\)
\(b,132-\left[116-\left(132-128\right)^2\right]\)
\(< =>132-\left[116-\left(4^2\right)\right]\)
\(< =>132-100\)
\(< =>32\)
\(c,\left[184:\left(96-124:31\right)-2\right]\cdot3651\)
\(< =>\left[184:\left(96-4\right)-2\right]\cdot3651\)
\(< =>\left[184:92-2\right]\cdot3651\)
\(< =>\left[2-2\right]\cdot3651\)
\(< =>0\cdot3651\)
\(< =>0\)
\(e,\left(2+4+6+8+...+2020\right)\cdot\left(36\cdot333-108\cdot111\right)\)
\(< =>\left[\left(2020-2\right):2+1\right]\cdot\left(36\cdot333-108\cdot111\right)\)
\(< =>1010\cdot\left(11988-11988\right)\)
\(< =>1010\cdot0\)
\(< =>0\)
\(g,1024:2^4+140:\left(38+2^5\right)-7^{23}:7^{21}\)
\(< =>64+140:70-49\)
\(< =>64+2-49\)
\(< =>66-49\)
\(< =>17\)
\(h,\left(44\cdot52\cdot60\right):\left(11\cdot13\cdot15\right)\)
\(< =>137280:2145\)
\(< =>64\)
\(j,\left(2^{17}+15^4\right)\cdot\left(3^{19}-2^{17}\right)\cdot\left(2^4-4^2\right)\)
\(< =>\left(131072+50625\right)\cdot\left(1162261467-131072\right)\cdot\left(16-16\right)\)
\(< =>181697\cdot1162130395\cdot0\)
\(< =>0\)
mk chuc ban hoc tot nhe :))
![](https://rs.olm.vn/images/avt/0.png?1311)
a) (-37) + 14 + 26 + 37
= [(-37) + 37] + (14 + 26)
= 0 + 40 = 40
b) (-24) + 6 + 10 + 24
= [(-24) + 24] + (10 + 6)
= 0 + 16 = 16
c) 15 + 23 + (-25) + (-23)
= [15 + (-25)] + [23 + (-23)]
= (-10) + 0 = -10
d) 60 + 33 + (-50) + (-33)
= [60 + (-50)] + [33 + (-33)]
= 10 + 0 = 10
e) (-16) + (-209) + (-14) + 209
= [(-16) + (-14)] + [(-209) + 209]
= (-30) + 0 = -30
f) \(-3^2+\left(-54\right)\div\left[\left(-2\right)^8+7\right]\times\left(-2\right)^2\\ =\left(-9\right)+\left(-54\right)\div263\times4\\ =\left(-9\right)+\dfrac{-216}{263}=\dfrac{-2583}{263}\)
a. \(\left[\left(-37\right)+37\right]+\left(14+16\right)\) = 30
B. \(\left[\left(-24\right)+24\right]+\left(10+6\right)\) = 16
C. \(\left[\left(-23\right)+23\right]+\left(15-23\right)\)= -8
d. \(\left[33-33\right]+\left(60-50\right)\) = 10
e. \(\left(209-209\right)+\left(-16-14\right)\)= -30
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có:
\( \dfrac{7256.4375-725}{3650+4375.7255}\\ =\dfrac{7255.4375+4375-7255}{3650+4375.7255}\\ =\dfrac{7255.4375+\left(4375-725\right)}{3650+4375.7255}\\ =\dfrac{7255.4375+3650}{3650+4375.7255}\\ =1\)
Vậy giá trị của \(\dfrac{7256.4375-725}{3650+4375.7255}=1\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a)=\frac{7}{25}+\frac{4}{13}-\frac{5}{2}+\frac{18}{25}-\frac{17}{13}\)
\(=1-1-\frac{5}{2}\)
\(=-\frac{5}{2}\)
a: \(=347\cdot4\cdot9\cdot400:8=347\cdot36\cdot50=624600\)
c: \(=16:\left\{400:\left[200-37-138\right]\right\}\)
\(=16:\left\{400:25\right\}=16:16=1\)
e: \(=46-\left[300:15\right]-2=46-20-2=24\)