10-[(82-48).5+(23.10+8)]:28
568-{5[ 143 -(4-1)2}+10}:10
28.76+13.28+28.11
75-(3.52-4.22)
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Những câu hỏi liên quan
a)3.52 + 15.22 – 26:2
b)53.2 – 100 : 4 + 23.5
c)29 – [16 + 3.(51 – 49)]
d)10 – [(82 – 48).5 + (23.10 + 8)] : 28
hãy giúp tui ik
A = 75 +60-13=122.B = 250-25+40=265.C=29-[16+3.2] ➙29-22=7 D= 10-[16.5+88]:28➙ 10-168:28➙10-6=4
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10-[ (82-48).5+(23.10+8):28]
\(10-\left[\left(8^2-48\right)\cdot5+\left(23\cdot10+8\right):28\right]\)
\(=10-\left[\left(64-48\right)\cdot5+\left(230+8\right):28\right]\)
\(=10-\left(16\cdot5+238:28\right)\)
\(=10-\left(80+\dfrac{17}{2}\right)\)
\(=10-80-\dfrac{17}{2}\)
\(=-17-\dfrac{17}{2}\)
\(=-17-8,5\)
\(=-25,5\)
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107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15
17) 10 – [(82 – 48).5 + (23.10 + 8)] : 28 - 70
\(107-\left\{38+\left[7.3^2-24:6+\left(9-7\right)^3\right]\right\}:15\)
\(=107-\left\{38+\left[7.3^2-24:6+2^3\right]\right\}:15\)
\(=107-\left\{38+\left[7.3^2-4+2^3\right]\right\}:15\)
\(=107-\left\{38+\left[63-4+2^3\right]\right\}:15\)
\(=107-\left\{38+\left[59+2^3\right]\right\}:15\)
\(=107-\left\{38+67\right\}:15\)
\(=107-105:15\)
\(=107-7\)
\(=100\)
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107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15
= 107 - {38+ [7.32 - 24 : 6 + 23 ]} : 15
= 107 - {38 + [ 7.9 - 24 : 6 + 8]} :15
= 107 - {38+[ 63 - 4 + 8]} : 15
= 107 - {38 + 67} : 15
= 107 - 105 : 15
= 107 - 7
= 100
17) 10 – [(82 – 48).5 + (23.10 + 8)] : 28 - 70
= 10 - [(64 - 48).5 + (8.10 +8)] : 28 - 70
= 10 - [16.5 + 88] : 28 - 70
= 10 - [80 + 88] : 28 - 70
= 10 - 168 : 28 - 70
= 10 - 6 - 1
= 3
nếu sai câu nào mong bạn thông cảm ^^
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107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15
= 107 - {38+ [7.32 - 24 : 6 + 23 ]} : 15
= 107 - {38 + [ 7.9 - 24 : 6 + 8]} :15
= 107 - {38+[ 63 - 4 + 8]} : 15
= 107 - {38 + 67} : 15
= 107 - 105 : 15
= 107 - 7
= 100
17) 10 – [(82 – 48).5 + (23.10 + 8)] : 28 - 70
= 10 - [(64 - 48).5 + (8.10 +8)] : 28 - 70
= 10 - [16.5 + 88] : 28 - 70
= 10 - [80 + 88] : 28 - 70
= 10 - 168 : 28 - 70
= 10 - 6 - 1
= 3
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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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a) 3.52 + 15.22 – 26:2
b) 2021 + 5[300 – (17 – 7)2]
c) 32.5 + 23.10 – 81
Đọc tiếp
a) 3.52 + 15.22 – 26:2
b) 2021 + 5[300 – (17 – 7)2]
c) 32.5 + 23.10 – 81
a) 3.52 + 15.22 - 26 : 2
= 3.25 + 15.4 - 13
= 75 + 60 - 13
= 135 - 13
= 122
b) 2021 + 5.[300 - (17 - 7)2]
= 2021 + 5.[300 - 102]
= 2021 + 5.[300 - 100]
= 2021 + 5.200
= 2021 + 1000
= 3021
c) 32.5 + 23.10 - 81
= 9.5 + 8.10 - 81
= 45 + 80 - 81
= 125 - 81
= 44
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a) 3.52 + 15.22 - 26 : 2
= 3. 25 + 15 . 4 - 26 : 2
= 75 + 60 - 13
= 135 - 13
= 122
b) 2021 + 5[300 - (17 - 7)2 ]
= 2021 + 5[300 - 102 ]
=2021 + 5[300 - 100]
=2021 + 5.200
=2021 + 1000
= 3021
c) 32 . 5 + 23 . 10 - 81
= 9 . 5 + 8 . 10 - 81
= 45 + 80 - 81
= 125 - 81
= 44
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a) 47 – [(45.24 – 52.12):14]b) 50 – [(20 – 23) : 2 + 34]c) 102 – [60 : (56 : 54 – 3.5)]d) 50 – [(50 – 23.5):2 + 3]e) 10 – [(82 – 48).5 + (23.10 + 8)] : 28f) 8697 – [37 : 35 + 2(13 – 3)]g) 2011 + 5[300 – (17 – 7)2]h) 695 – [200 + (11 – 1)2]i) 129 – 5[29 – (6 – 1)2]tính nhanha) 47 – [(45.24 – 52.12):14]b) 50 – [(20 – 23) : 2 + 34]c) 102 – [60 : (56 : 54 – 3.5)]d) 50 – [(50 – 23.5):2 + 3]e) 10 – [(82 – 48).5 + (23.10 + 8)] : 28f) 8697 – [37 : 35 + 2(13 – 3)]g) 2011 + 5[300 – (17 – 7)2]h) 695 – [200...
Đọc tiếp
a) 47 – [(45.24 – 52.12):14] b) 50 – [(20 – 23) : 2 + 34] c) 102 – [60 : (56 : 54 – 3.5)] d) 50 – [(50 – 23.5):2 + 3] e) 10 – [(82 – 48).5 + (23.10 + 8)] : 28 f) 8697 – [37 : 35 + 2(13 – 3)] g) 2011 + 5[300 – (17 – 7)2] h) 695 – [200 + (11 – 1)2] i) 129 – 5[29 – (6 – 1)2] tính nhanh
|
de giong nhau ma
hồi nãy mình copy lộn đó
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Dài vl
Xem thêm câu trả lời
Bài 1: Thực hiện phép tính1) 17 . 85 + 15 . 17 – 120 9) 2) 23 . 17 – 23 . 14 10) 3) 20 + 11) 5871: {928 -[(-82) +247) ].5} 4) 28.76+23.28 -28.13 12) 112:11-555) 15.36 – 15.10 + 26.8513) 6) 75 – ( 3.52 – 4.23)14) 7) 4.52 – 3.23 + 33:3215) 8) 80 – (4 . 52 – 3 . 23) 9) 80 – 73.3 10) -8 – 51.2
Đọc tiếp
Bài 1: Thực hiện phép tính
1) 17 . 85 + 15 . 17 – 120
| 9)
|
2) 23 . 17 – 23 . 14 | 10) |
3) 20 + | 11) 5871: {928 -[(-82) +247) ].5} |
4) 28.76+23.28 -28.13 | 12) 112:11-55 |
5) 15.36 – 15.10 + 26.85 | 13) |
6) 75 – ( 3.52 – 4.23) | 14) |
7) 4.52 – 3.23 + 33:32 | 15) |
8) 80 – (4 . 52 – 3 . 23) | 9) 80 – 73.3 10) -8 – 51.2 |
1, 17.( 85+15) -120 = 17. 100 -120 =1700 - 120 =1580
2,
23 . 17 - 23 . 14
= 23(17-14)
=23. 3= 24
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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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