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36:32+23.22
=1.125+506
=507.125
(39.42-37.42):42
=42.(39-37) :42
=42 .2 :42
=84 : 42
=2
tick giúp tớ
a)36:32+23.22-33.3
= 34+25-34
=25
=32
b)38:34-95:93
= 34-92
= 34-34
= 0
c)23.15+23.35
= 23(15+35)
= 8.50
= 400
a: \(3^6:3^2+2^3\cdot2^2-3^3\cdot3\)
\(=3^4+32-3^4\)
=32
b: \(3^8:3^4-9^5:9^3\)
\(=3^4-9^2\)
=0
c: Ta có: \(2^3\cdot15+2^3\cdot35\)
\(=8\cdot50\)
=400
a) 36:32+23.22=9/8+506=(9+506.8)/8=(9+4048)/8=4057/8
b) 3.52-16:22=156-8/11=(156.11-8)/11=(1716-8)/11=1708/11
c) 80-[130-(12-4)2]=80-[130-8.2]=80-[130-16]=80-114=-34
a: 3*5^2-16:2^2
=3*25-16:4
=75-4=71
b: =2^3(17-14)
=8*3
=24
c: =15(141+59)
=15*200
=3000
d: =17(85+15)-200
=1700-200
=1500
f: =3+2^5
=3+32
=35
g: =42(39-37):42
=39-37
=2
a) 80 - (4.52 - 3.23 )
= 80 - ( 4 . 25 - 3. 8 )
= 80 - ( 100 - 24 )
= 80 - 76 = 4
b) 56 : 54 + 23 . 22 - 12017
= 52 + 25 - 1
= 25 + 32 - 1
= 57 -1 = 56
`@` `\text {Ans}`
`\downarrow`
`12 \div 6 + 2. 7`
`= 2 + 2.7`
`= 2.(1 + 7)`
`= 2.8`
`= 16`
`5. 4^2 - 36 \div 3^2`
`= 5. 16 - 36 \div 9`
`= 80 - 4`
`= 76`
a, 80 - 4 . 5 2 - 3 . 2 3
= 80 – (4.25 – 3.8)
= 80 – 76 = 4
b, 5 6 : 5 4 + 2 3 . 2 2 - 1 2018
= 5 2 + 2 5 - 1
= 25 + 32 – 1 = 56
c, [36.4 – 4. 82 - 7 . 11 2 ]:4 – 2019 0
= (144 – 4. 5 2 ):4 – 1
= (144 – 100):4 – 1
= 11 – 1 = 10
d, 303 – 3.{[655 – (18:2+1). 4 3 +5]}: 10 0
= 303 – 3.(655 – 10.64 + 5):1
= 303 – 10 = 293
a) 80-(4.52-3.23)=80-100+24=4
b)[36.4-4.(82-7.11)2]:4-20190
={4.[36-(82-7.11)2]}:4-1
=[36-(82-7.11)2]-1
=11-1=10
c)56:54+23.22-12018
=52+25-1
=25+32-1=56
d)303-3.{[655-(18:2+1).43+55]}:100
=303-3.[(655-9-1).43+55]:1
=303-3[655-640+5]
=303-3(20)
=303-60=243
36:32 + 23.22 = 36-2 + 23+2 = 34 + 25 = 81 + 32 = 113