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a)(1000+1):11
=1001:11
=91
91=7.13
b)142+52+22
=196+25+4
=221+4
=225
225=32.52
c)333:3+225:152
=333:3+225:225
=111+1
=112
112=24.7
tớ làm đầy đủ li-ke cho tớ nha
a: \(35\cdot20+125:5^2\)
\(=700+\frac{125}{25}\)
=700+5=705
b: \(5^2\cdot8-60:2^2\)
\(=25\cdot8-60:4\)
=200-15
=185
c: \(4500:15+3^4\cdot10\)
=300+81*10
=300+810
=1110
d: \(175-\left\lbrack3\cdot5^2-5\cdot3^2\right\rbrack\)
\(=175-\left(3\cdot25-5\cdot9\right)\)
=175-(75-45)
=175-30
=145
e: 555:5+\(256:16^2\)
=111+256:256
=111+1
=112
a: \(160-\left(2^3\cdot5^2-6\cdot25\right)\)
\(=160-\left(8\cdot25-150\right)\)
=160-(200-150)
=160-50
=110
\(=2\cdot5\cdot11\)
b: \(4\cdot5^2-32:2^4=4\cdot25-32:16=100-2=98=2\cdot7^2\)
c: \(5871:\left\lbrack928-\left(247-82\cdot5\right)\right\rbrack\)
\(=5871:\left\lbrack928-\left(247-410\right)\right\rbrack\)
=5871:[928-247+410]
=5871:1091
d: \(777:7+1331:11^3=111+1=112=2^4\cdot7\)
e: \(6^2:4\cdot3+2\cdot5^2=36:4\cdot3+2\cdot25\)
=27+50
=77
\(=7\cdot11\)
g: \(5\cdot4^2-18:3^2=5\cdot16-18:9=80-2=78=2\cdot3\cdot13\)
h: \(80-\left(4\cdot5^2-3\cdot2^3\right)=80-\left(4\cdot25-3\cdot8\right)\)
=80-(100-24)
=80-76
=4
=2^2
i: \(23\cdot75+25\cdot23+180\)
\(=23\left(75+25\right)+180\)
=2300+180
=2480
\(=2^4\cdot5\cdot31\)
k: \(2^4\cdot5-\left\lbrack131-\left(13-4\right)^2\right\rbrack\)
\(=16\cdot5-\left\lbrack131-81\right\rbrack\)
=80-50
=30
=2*3*5
m: 100:{250:[450-\(\left(4\cdot5^3-2^2\cdot25\right)\) ]}
=100:{250:[450-\(\left(4\cdot125-4\cdot25\right)\) ]}
=100:{250:[450-500+100]}
=100:{250:50}
=100:5
=20
=2^2*5
a)
\(=1001:11=91\)
b)
\(=196+25+4=200+25=225\)
c)
\(=29.31+144:144=899+1=900\)
d)
\(=111+225:225=111+1=112\)
315-(33.52-24.25)
=315-(27.25-24.25)
=315- (675 - 600)
=315 - 75
= 240
Tick nha?