325+196+175+20
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a)=234(1257-257)
=234.1000
=234000
b)=524(1327-327)
=524.1000
=524000
c)=325(1574-325-24)
=325.1225
=398125
d)=175(1274-273-1)
=175.1000
=175000
234x (1257-257)= 234 x 1000 = 234000
1327 x 524 - 524 x 327 = 524 x (1327 - 327 ) = 524 x 1000 = 524000
325x1574 - 325 x 325 -325 x24 =325 x(1574 - 325 - 24 )= 325 x 1225 =398125
175 x 1274 - 175 x273 -175 = 175 x (1274 - 273 -1) = 175 x 1000= 175000
kkk mk nha bạn !!!!!!!!
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a/ \(7-20+313\)
\(=\left(-13\right)+313\)
\(=300\)
b/ \(\left(-163\right)+177-\left(377-263\right)\)
\(=\left(-163\right)+177-114\)
\(=14-114\)
\(=-100\)
c/\(\left(325-47\right)+\left(175-53\right)\)
\(=278+122\)
\(=400\)
d/\(\left(217-756\right)-\left(41-183\right)\)
\(=\left(-539\right)-\left(-142\right)\)
\(=-397\)
\(=-100\)
a/ 7 - 20 + 313
= - 13 + 313
= 300
b/ (-163) + 177 - (377 - 263)
= (-163) + 177 - 377 + 263
= [(-163) + 263] + (177 - 377)
= 100 + (-200)
= -100
c/ (325 - 47) + (175 - 53)
= 325 - 47 + 175 - 53
= (325 + 175) - (47 + 53)
= 500 - 100
= 400
d/ (217 - 756) - (41 - 183)
= 217 - 756 - 41 + 183
= (217 + 183) - ( 756 + 41)
= 400 - 797
= -397
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a, (675 + 325) x 42
= 675 x 42 + 325 x 42
= 28350 + 13650
=42000
(675 + 325) x 42
= 1000 x 42
= 42000
b, 36 x ( 196 - 96)
= 36 x 100
= 3600
36 x ( 196 - 96)
= 36 x 196 - 36 x 96
= 7056 - 3456
= 3600
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\(\frac{-196}{189};\frac{14}{47};\frac{21}{60};\frac{175}{175};\frac{39}{37}\)
Hok Tốt !!!!!!!!!!!!!!!!!
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a: \(25\cdot37+63\cdot25\)
\(=25\left(37+63\right)\)
\(=25\cdot100=2500\)
b: \(\left(-210\right)+325+\left(-90\right)+175\)
\(=\left(-210-90\right)+\left(325+175\right)\)
=-300+500
=200
a) 25.37 + 63.25
=25x(37+63)
=25x100
=2500
b) (-210) + 325 + (-90) + 175
=(-210-90)+(325+175)
=-300+500
=200
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( 7,2 - 0,8 x 8 - 0,8 ) x ( 325 + 186 + 175 )
= 0 x 686
= 0
Hk tốt,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
x : trước + - sau
k nhé
( 7,2 - 0,8 x 8 - 0,8) x ( 325 + 186 + 175)
= ( 7,2 - 6,4 - 0,8 ) x 686
= 0 x 686
= 0
Chúc em hok tốt k cho cj nha em.
Có bài gì cứ hỏi chị nha!! ~_~
`325 + 196 + 175 + 20`
`=(325+175)+196+20`
`=500 + 196 +20`
`=696 +10`
`=716`
325+196+175+20
=325+175+196+20
=500+216
=716