400 : { 5 . [360 - ( 290 + 2.5^2)]}
400 / {5.[360 - (290+2.5 mũ 2)]}
400/ {5.[360-(290+2.5 mũ 2)]} =400/ {5.[360-(290+2.25)]} =400/{5.[360-(290+50)]} =400/{5.[360-340]} =400/{5.20} =400/100 =4
Giúp mình với: 400 : {5[360-(290+ 2.52)]}
\(400\div\left\{5\left[360-\left(290+2.5^2\right)\right]\right\}\)
\(=400\div\left\{5\left[360-\left(290+50\right)\right]\right\}=400\div\left[5\left(360-340\right)\right]\)
\(=400\div\left(5.20\right)=400\div100=4\)
Bài giải
\(400\text{ : }\left[5\left\{360-\left(290+2\cdot5^2\right)\right\}\right]\)
\(=400\text{ : }\left[5\left\{360-\left(290+50\right)\right\}\right]\)
\(=400\text{ : }\left[5\left\{360-340\right\}\right]\)
\(=400\text{ : }\left[5\cdot20\right]\)
\(=400\text{ : }100\)
\(=4\)
\(400:\left\{5.\left[360-\left(290+2.5^2\right)\right]\right\}\)
\(=400:\left\{5.\left[360-\left(290+50\right)\right]\right\}\)
\(=400:\left\{5.\left[360-340\right]\right\}\)
\(=400:\left\{5.20\right\}=400:100=4\)
Thực hiện phép tính :
400 : { 5. [ 360 - ( 290 + 2.52 ) ] }
400 : { 5. [ 360 - ( 290 + 2.52 ) ] }
=400:{5.[360-(290+50)]}
=400:[5.(360-340)]
=400:(5.20)
=400:100
=4
TÍCH NHA
400: {5.[360-(290+2.52)]}
=400: {5.[360-(290+2.25)]}
=400: {5.[360-(290+50)]}
=400: {5.[360-340]}
=400: {5.20}
=400:100
=4
400:{5.[360-(290+2.5^5)]
5^5 là 5 mũ 5 nhé
MÌNH ĐANG CẦN GẤP GIÚP VỚI CẢM ƠN
400 : { 5 . [ 360 - ( 290 + 2 . 55 )]}
= 400 : { 5 . [ 360 - ( 290 + 2 . 25 )]}
= 400 : { 5 . [ 360 - ( 290 + 50 )]}
= 400 : [ 5 . ( 360 - 340 )]
= 400 : ( 5 . 20 )
= 200 : 100 = 2
500 5 409 ơ 2mũ3 nhân 3 21 mũ 2 1724 400 chia 5. 360 290 cộng 5 mũ 2 2mũ 4 nhân 5 131 13 4mũ 2 CÁC ANH CHỊ NÀO BIẾT CHỈ CHO EM VỚI Ạ . EM CẢM ƠN NHIỀU
500-{5.(409-(2³x3-21)²]-1724}
= 500-{5.(409-(8x3-21)²]-1724}
=500-{5.(409-(24-21)²]-1724}
=500-{5.(409-3²)-1724}
=500-{5.(409-9)-1724}
=500-{5.400-1724}
=500-{2000-1724}
=500-276
=224
Hok tốt!
Tìm x biết:
5²x-3 - 2 × 5² = 5² × 3
Tính :
5× 2³ + 711 ÷ 7⁹ - 12018
400÷{5×[360- (290+2×5²)]}
Giúp mk vs
5 x 23 + 711 : 79 - 12018
= 5 x 8 + 49 - 1
= 40 + 48
= 88
400 : { 5 x ( 290 + 2 x 52)}
= 400 : { 5 x ( 290 + 2 x 25 ) }
= 400 : { 5 x ( 290 + 50)}
= 400 : { 5 x 240 }
= 400 : 1000
= 2/5
còn câu 1 ko hiểu x là tìm x hay là dấu nhân??
Thực hiện phép tính
1) 23+(-13) +(-50)
2)-5+15+(-123)
3)5871:{928-[(-82)+247)].5
4)40-(4.52-3.23)
5)4)62.5-72+149
6)-210:[16+3.(6+3.22)]+(-2022)
7)5.23+711:79-20230.18
8)400:{5.[360-(290+2.52)]}
9)75-(3.52) -4.53)
1: \(23+\left(-13\right)+\left(-50\right)\)
\(=23-13-50\)
=10-50
=-40
2: \(-5+15+\left(-123\right)\)
\(=\left(-5+15\right)-123\)
=10-123
=-113
3: \(5871:\left\{928-\left[\left(-82+247\right)\right]\right\}\cdot5\)
\(=5871-\left\{928+82-247\right\}\cdot5\)
\(=5871-763\cdot5=5871-3815=2056\)
4: \(40-\left(4\cdot5^2-3\cdot2^3\right)\)
\(=40-4\cdot5^2+3\cdot2^3\)
\(=40-4\cdot25+3\cdot8\)
=40-100+24
=64-100
=-36
5: \(6^2\cdot5-7^2+149\)
\(=36\cdot5-49+149\)
\(=180+149-49\)
=180+100
=280
6: \(-210:\left[16+3\cdot\left(6+3\cdot2^2\right)\right]+\left(-2022\right)\)
\(=-210:\left[16+3\cdot\left(6+3\cdot4\right)\right]+\left(-2022\right)\)
\(=-210:\left[16+3\cdot18\right]+\left(-2022\right)\)
\(=-210:70-2022\)
=-3-2022
=-2025
7: \(5\cdot2^3+7^{11}:7^9-2023^0\cdot1^8\)
\(=5\cdot8+7^2-1\)
=40+49-1
=39+49
=88
8: \(400:\left\{5\cdot\left[360-\left(290+2\cdot5^2\right)\right]\right\}\)
\(=400:\left\{5\cdot\left[360-290-2\cdot25\right]\right\}\)
\(=400:\left\{5\cdot20\right\}\)
\(=\dfrac{400}{100}=4\)
9: \(75-\left(3\cdot5^2\right)-4\cdot5^3\)
\(=75-3\cdot25-4\cdot5^3\)
=-4*125
=-500
5.23 + 711 : 79 - 18
400 : { 5. [ 360 - (290 + 2. 52 ) ] }
c = 35 + 38 + 41 +..........92 +95
\(5\cdot2^2+7^{11}:7^9-1^8\)
\(=20+2^2-1\)
\(=20+4-1\)
\(=23\)
\(400:\left\{5\cdot\left[360-\left(290+2\cdot5^2\right)\right]\right\}\)
\(=400:\left\{5\cdot\left[360-\left(290+50\right)\right]\right\}\)
\(=400:\left(5\cdot\left[360-340\right]\right)\)
\(=400:\left(5\cdot20\right)\)
\(=400:100\)
\(=4\)
500 - [ 5[409 -ơ 2mũ3 nhân 3 -21 mũ 2 ] ] -1724 ]
400 chia [ 5.[360 - [290 cộng 5 mũ 2 ] ] ]
2mũ 4 nhân 5 - [ 131 -[ 13- 4mũ 2 ] ]
CÁC ANH CHỊ NÀO BIẾT CHỈ CHO EM VỚI Ạ . EM CẢM ƠN NHIỀU
-200:{5[360-(290+2.5mũ2)]}
\(-200:\left\{5\left[360-\left(290+2.5^2\right)\right]\right\}\)
\(=-200:\left\{5\left[360-\left(290+2.25\right)\right]\right\}\)
\(=-200:\left\{5\left[360-\left(290+50\right)\right]\right\}\)
\(=-200:\left\{5\left[360-340\right]\right\}\)
\(=-200:\left\{5.20\right\}\)
\(=-200:100=-2\)
-200 : {5.[360 - (290 + 2.52)]}
= -200 : {5.[360 - (290 + 2.25)]}
= -200 : {5.[360 - (290 + 50)]}
= -200 : {5.[360 - 340]}
= -200 : {5.20}
= -200 : 100
= (-2)