4.52-18:32
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a) 49 - 9 . [ 34 : 31 - ( 12 - 4 ) : 22 ]
= 49 - 9 . [ 33 - 8 : 22 ]
= 49 - 9 . [ 33 -23 : 22 ]
= 49 - 9 . [ 33 - 2 ]
= 49 - 9 . [ 27 - 2 ]
= 49 - 9 . 25
= 49 - 225 = -176
b) 4.52 + 16 : 22
= 4. 25 + 24 : 22
= 100 + 22 = 100+ 4 =104
--tho--là tớ💋
a: \(24\cdot35+65\cdot24-1400\)
\(=24\left(35+65\right)-1400\)
\(=24\cdot100-1400=2400-1400=1000\)
b: \(32:2^4-4\cdot5^2\)
\(=\dfrac{32}{16}-4\cdot25\)
=2-100
=-98
c: \(17+75:\left[30-5\cdot\left(7^2-48\right)\right]\)
\(=17+75:\left[30-5\cdot\left(49-48\right)\right]\)
\(=17+75:\left[30-5\right]\)
\(=17+\dfrac{75}{25}=17+3=20\)
d: \(\left(-138\right)-\left[258+4\cdot\left(-36\right)\right]\cdot2024^0\)
\(=-138-\left[258-144\right]\)
\(=-138-114\)
=-252
a) 4.52-32:24
b) 5871:\(\orbr{\begin{cases}\\\end{cases}}928-\left(247-82.5\right)\)
c) 777:7+1331:113
a; 4.52 - 32 : 24
= 208 - \(\dfrac{4}{3}\)
= \(\dfrac{624}{3}\) - \(\dfrac{4}{3}\)
= \(\dfrac{620}{3}\)
c; 777 : 7 + 1331 : 113
= 111 + \(\dfrac{1331}{113}\)
= \(\dfrac{12543}{113}\) + \(\dfrac{1331}{113}\)
= \(\dfrac{13874}{113}\)
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
a) 352 + 48 : 23 . 3 -101
= 352 + 48 : 8 . 3 -101
= 352 + 6.3 -101
= 352 +18 - 101
= 370 -101
= 269
b) 34.52 + 48.34 -112
= 81 .52 + 48 .81 - 121
= 81.(52 + 48) - 121
= 81.100 - 121
= 8100 - 121
= 7979
c) 12 + (-13) + (-54) + 27
= [12 + (-13)] + [(-2).27 + 27.1]
= (-1) + [27.(-2 + 1)]
= (-1) + 27.(-1)
= (-1).(27 + 1)
= (-1).28
= (-28)
a)160-(23.52-6.25)
160-(1196-150)
160-1046
-886
b)4.52-32:24
208-4/3
620/3
c)5871:(928-(247-82).5)
5871:(928-165.5)
5871:(928-825)
5871:103
57
A, 160-(2^3.5^2-6.25)
160-50
=110
=> 110= 2.5.7
B,4.5^2-32:2^4
=4.25-32:16
=100-2
=98
=>98=2.7^2
Cau c mk giong kq vs bn tren
a)=(4.25).37
=100.37
=3700
b)=(132+868)+(763+237)+29
=1000+1000+29
=2029
c)=72+[131-1.20]
=49+[131-20]
=49+111
=160
Ta có :
4.25-18:9=100-2=98
Học tốt!!
-62 bạn nhá