a) (34044-324 x 67):48-48
b) 936 x 750 - 750:15-15
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17464 - 17464 : 74 - 74 x 158
= 158 x ( 17464 - 17464 ) : ( 74 - 74 )
= 158 x 0 : 0
= 0 x 0
= 0
a: \(17464-17464:74-74\cdot158\)
\(=17464\cdot\left(1-\dfrac{1}{74}\right)-74\cdot158\)
\(=17464\cdot\dfrac{73}{74}-74\cdot158\)
\(=5536\)
\(\left(34044-324\times67\right):48-48\\ =\left(34044-21708\right):48-48\\ =12336:48-48\\ =257-48\\ =209\)
\(167960-\left(167960:68-68\times34\right)\\ =167960-\left(2470-2312\right)\\ =167960-158\\ =167802\)
(34044−324×67):48−48=(34044−21708):48−48=12336:48−48=257−48=209
( 126,45 x 0,45 + 256,45 x 0,55 ) x ( 15 x 6 - 750 x 0,1 - 15 )
= ( 126,45 x 0,45 + 256,45 x 0,55 ) x ( 90 - 75 - 15 )
= ( 126,45 x 0,45 + 256,45 x 0,55 ) x 0
= 0
a, ( 75 x 56 ) : 15 1175 : 25 + 1325: 25 + 466 x 25
= (75: 15) x 56 = ( 1175 + 1325) : 25 + 466 x 25
= 3 x 56 = 2500 : 25 + 466 x25
= 168 = 100 + 466 x 25
b, ( 80 x125 x10) : 25 = 25 x 4 + 466 x 25
= ( 80 x 10) x ( 125:25) = 25 x ( 4 + 466)
= 800 x 5 = 25 x 470
= 4 000 = 11750
d, ( 750 x 360 x 55) : ( 15 x 12 x 110)
= ( 75 x 360 x 550 ) : ( 15 x 12 x 110)
= (75 : 15 ) x ( 360 : 12) x ( 550 : 110)
= 5 x 30 x 5
= 25 x 30
= 750
a) (75 x 56) : 15
= 4200 : 15
= 280
b) (80 x 125 x 10) : 25
= 100 000 : 25
= 4000
c) 1175 : 25 + 1325 : 25 + 466 x 25
= (1175 : 25) + (1325 : 25) + (466 x 25)
= 47 + 53 + 11 650
= 11 750
d) (750 x 360 x 55) : (15 x 12 x 110)
= 14 850 000 : 19 800
= 750
a)1050:15-350:15+176=(1050-350):15+176=700:15+176=140/3+176=668/3
b)4320:9-8640:18+750=4320:9-8640:2:9+750=4320:9-4320:9+750=0+750=750
C)864*48-432*96=864.48-432.2.48=864.48-864.48=0
a 25 + 8 + 12 + 25 = 70 b 87 + [ - 750 ] + 2018 - 13 + 750 = 2842 c [ 45 + 12 - 13 ] - [ 45 - 13 + 12 ] = 90 minh tinh gom bn ah
(34044-324x67):48-48
= (34044-21708):48-48
= 12336:48-48
= 257 -48
= 209