A2=128-[68+8(37-35)2]:4
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128-[68+8(37-35)^2]:4
Lời giải:
$128-[68+8(37-35)^2]:4=128-(68+8.2^2):4$
$=128-100:4=128-25=103$
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128 - [ 68 + 8 ( 37 - 35 )^2 ] : 4
Ai làm nhanh mik tick
=128 - [68+8.4]:4
= 128 - 100:4
= 128 - 25
= 103
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128 - [68 + 8(37 - 35)2 ] : 4
= 128 - [68 + 8.22 ] : 4
= 128 - [68 + 32] : 4
= 128 - 100 : 4
= 128 - 25
= 103
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\(128-\left[68+8.\left(37-35\right)^2\right]:4\)
\(=128.\left[68+8.4\right]:4\)
\(=128.100:4\)
\(=32025\)
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128[68+8(37-35)^2]
\(128.\left[68+8\left(37-35\right)^2\right]\)
\(=128\left[68+8.2^2\right]\)
\(=128\left[68+32\right]\)
\(=128.100\)
\(=12800\)
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128[68+8(37-35)^2]
=128[68+8.2^2]
=128[68+8.4]
=128[68+32]
=128.100
=12800
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a) 3.52 + 15.22 – 26:2 b) 53.2 – 100 : 4 + 23.5
c) 62 : 9 + 50.2 – 33.3 d) 32.5 + 23.10 – 81:3
e) 2345 – 1000 : [19 – 2(21 – 18)2] f) 128 – [68 + 8(37 – 35)2] : 4
g) 568 – {5[143 – (4 – 1)2] + 10} : 10 h) 107 – {38 + [7.32 – 24 : 6+(9
\(a.3.52+15.22-26:2\\ 156+330-13\\ =486-13\\ =473\)
\(b.53.2-100:4+23.5\\ =106-25+115\\ =81+115\\ =196\)
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a) 47 – [(45.24 – 52.12):14] e) 10 – [(82 – 48).5 + (23.1 + 8) -12] : 28b) 2010 – 2000 : [486 – 2(72 – 6)] g) 128 – [68 + 8(37 – 35)2] : 4c) 568 – {5[143 – (4 – 1)2] + 10} : 10 d) 307 – [(180 – 160) : 22 + 9] : 2 h) 205 – [1200 – (42 – 2.3)3] : 40 giúp
Đọc tiếp
a) 47 – [(45.24 – 52.12):14] e) 10 – [(82 – 48).5 + (23.1 + 8) -12] : 28
b) 2010 – 2000 : [486 – 2(72 – 6)] g) 128 – [68 + 8(37 – 35)2] : 4
c) 568 – {5[143 – (4 – 1)2] + 10} : 10
d) 307 – [(180 – 160) : 22 + 9] : 2 h) 205 – [1200 – (42 – 2.3)3] : 40
giúp
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Bài 1: Thực hiện phép tính:
a) 3.52 + 15.22 – 26:2
b) 53.2 – 100 : 4 + 23.5
c) 62 : 9 + 50.2 – 33.3
d) 2345 – 1000 : [19 – 2(21 – 18)2]
e) 128 – [68 + 8(37 – 35)2] : 4
f) 568 – {5[143 – (4 – 1)2] + 10} : 10
e: \(=128-\left[68+8\cdot4\right]:4=128-25=103\)
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\(a.3.5^2+15.2^2-26:2\) \(b.5^3.2-100:4+2^3.5\)
\(=75+60-13\) \(=250-25+40\)
\(=135+13=148\) \(=265\)
\(c.6^2:9+50.2-3^3.3\) \(d.2345-1000:\left[19-2.\left(21-18\right)^2\right]\)
\(=4+100-81\) \(=2345-1000:\left[19-2.3^2\right]\)
\(=23\) \(=2345-1000:\left[19-18\right]\)
\(=2345-1000:1\)
\(=2345-1000=1345\)
\(e.128-\left[68+8.\left(37-35\right)^2\right]:4\)
\(=128-\left[68+8.2^2\right]:4\)
\(=128-\left[68+32\right]:4\)
\(=128-100:4\)
\(=128-25=103\)
\(f.568-\left\{5.\left[143-\left(4-1\right)^2\right]+10\right\}:10\)
\(=568-\left\{5.\left[143-3^2\right]+10\right\}:10\)
\(=568-\left\{5.134+10\right\}:10\)
\(=568-\left\{670+10\right\}:10\)
\(=568-680:10\)
\(=568-68=500\)
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Thực hiện phép tính :
a) 2014 + (-1999) + 1986 + 175 + (-2001)
b) 59 x 73 - 30^2 + 27 x 59
c) 128 - ( 68 + 8 x ( 37 - 35 )^2) : 4
a , 2014+(-1999)+1986+175+(-2001) = (2014+1986)+(-1999+-2001)+175
= 4000 + -4000 +175
= 175
roi tu lam nhe minh ban roi phai day
nice to meet you
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a) 2345 – 1000 : [19 – 2(21 – 18)2]b) 128 – [68 + 8(37 – 35)2] : 4c) 568 – {5[143 – (4 – 1)2] + 10} : 10d) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15e) 307 – [(180 – 160) : 22 + 9] : 2f) 205 – [1200 – (42 – 2.3)3] : 40g) 177 :[2.(42 – 9) + 32(15 – 10)]h) [(25 – 22.3) + (32.4 + 16)]: 5i) 125(28 + 72) – 25(32.4 + 64)j) 500 – {5[409 – (23.3 – 21)2] + 103} : 15Viết số mũ giùm mình ạ!
Đọc tiếp
a) 2345 – 1000 : [19 – 2(21 – 18)2] b) 128 – [68 + 8(37 – 35)2] : 4 c) 568 – {5[143 – (4 – 1)2] + 10} : 10 d) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15 e) 307 – [(180 – 160) : 22 + 9] : 2 f) 205 – [1200 – (42 – 2.3)3] : 40 g) 177 :[2.(42 – 9) + 32(15 – 10)] h) [(25 – 22.3) + (32.4 + 16)]: 5 i) 125(28 + 72) – 25(32.4 + 64) j) 500 – {5[409 – (23.3 – 21)2] + 103} : 15 |
Viết số mũ giùm mình ạ!
a: \(=47-\left[\left(45\cdot16-25\cdot12\right):14\right]\)
\(=47-30=17\)
b: \(=50-\left[6+34\right]\)
=50-40
=10
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k) 2345 – 1000 : [19 – 2(21 – 18)2 ] l) 128 – [68 + 8(37 – 35)2 ] : 4
m) 568 – {5[143 – (4 – 1)2 ] + 10} : 10
n) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3 ]}:15
o) 307 – [(180 – 160) : 22 + 9] : 2
p) 205 – [1200 – (42 – 2.3)3 ] : 40
q) 177 :[2.(42 – 9) + 32 (15 – 10)]
r) [(25 – 2 2 .3) + (32 .4 + 16)]: 5
s) 125(28 + 72) – 25(32 .4 + 64)
giúp mk
s: \(=125\cdot100-25\cdot192\)
\(=12500-4800\)
=7700
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