16:{400:[200-(37+46.3)]}
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15 tháng 12 2017
\(16\div\left\{400\div\left[200-\left(37+46.3\right)\right]\right\}\)
\(=16\div\left\{400\div\left[200-\left(37+138\right)\right]\right\}\)
\(=16\div\left\{400\div\left[200-175\right]\right\}\)
\(=16\div\left\{400\div25\right\}\)
\(=16\div16\)
\(=1\)
15 tháng 12 2017
16:{400:[200-(37+138)]}
16:{400:[200-175]}
16:{400:25}
16:16
1
4 tháng 6 2021
Giải;
1) \(347.222-222.\left(216+184\right):8\)
\(=347.222-222.400:8\)
\(=347.222-222.50\)
\(=222.\left(347-50\right)\)
\(=222.297\)
\(=65934\)
2) \(132-\left[116-\left(132-128\right).22\right]\)
\(=132-\left[116-4.22\right]\)
\(=132-\left[116-88\right]\)
\(=132-28\)
\(=104\)
3) \(16:\left\{400:\left[200-\left(37+46.3\right)\right]\right\}\)
\(=16:\left\{400:\left[200-\left(37+138\right)\right]\right\}\)
\(=16:\left\{400:\left[200-175\right]\right\}\)
\(=16:\left\{400:25\right\}\)
\(=16:16\)
\(=1\)
4) \(\left\{184:\left[96-124:31\right]-2\right\}.3651\)
\(=\left\{184:\left[96-4\right]-2\right\}.3651\)
\(=\left\{184:92-2\right\}.3651\)
\(=\left\{2-2\right\}.3651\)
\(=0.3651\)
\(=0\)
5) \(46-\left[\left(16+71.4\right):15\right]-2\)
\(=46-\left[\left(16+284\right):15\right]-2\)
\(=46-\left[300:15\right]-2\)
\(=46-20-2\)
\(=24\)
6) \(3^3.18+72.4^2-41.18\)
\(=18.\left(27-41\right)+72.16\)
\(=18.-14+1152\)
\(=-252+1152\)
\(=900\)
4 tháng 6 2021
Giải: (tiếp)
7) \(\left(56.46-25.23\right):23\)
\(=\left(2576-575\right):23\)
\(=2001:23\)
\(=87\)
8) \(\left(28.54+56.36\right):21:2\)
\(=\left(1512+2016\right):21:2\)
\(=3528:21:2\)
\(=84\)
9) \(\left(76.34-19.64\right):\left(38.9\right)\)
\(=\left(2584-1216\right):342\)
\(=1368:342\)
\(=4\)
10) \(\left(2+4+6+...+100\right).\left(36.333-108.111\right)\)
\(=\left(2+4+6+...+100\right).\left(11988-11988\right)\)
\(=\left(2+4+6+...+100\right).0\)
\(=0\)
11) \(\left(5.4^{11}-3.16^5\right):4^{10}\)
\(=5.4^{11}:4^{10}-3.16^5:4^{10}\)
\(=5.4-3.1\)
\(=20-3\)
\(=17\)
12) \(7256.4375-725:3650+4375.7255\)
\(=4375.\left(7256+7255\right)-\dfrac{29}{146}\)
\(=4375.14511-\dfrac{29}{146}\)
\(=63485624,8\)
Câu 12 ko chắc!
22 tháng 5 2022
a: \(=347\cdot4\cdot9\cdot400:8=347\cdot36\cdot50=624600\)
c: \(=16:\left\{400:\left[200-37-138\right]\right\}\)
\(=16:\left\{400:25\right\}=16:16=1\)
e: \(=46-\left[300:15\right]-2=46-20-2=24\)
26 tháng 7 2016
a.\(\left[545-\left(45+4.25\right)\right]:50-2000:250+2^{15}:2^{13}\)
=\(\left[545-145\right]:50-8+2^2\)
=\(400:50-8+4\)
=8-8+4
=4
26 tháng 7 2016
b.\(\left[504-\left(25.8+70\right)\right]:9-15+9^0\)
=\(\left[504-270\right]:9-15+1\)
=234:9-14
=26-14
=12
9 tháng 1 2022
16 + { 400 : [ 200 - 180 ]
16 + { 400 : 20 }
16 + 20
=36
NL
3
KK
11 tháng 7 2018
a)= 2,448 : 1,02
= 2,4
b)=3,06 : 0,75
=4,08
c) =53,9 :4 +22,8*2
=13,475 + 22,8*2
=13,475+ 45,6
d) =21,56 : 9,8- 0,354 : 2
= 2,2 - 0,177
=2,023
e) =332-116-4
=216-4
=212
f) =16*400:200-(37+138):35
=16*400:200-175:35
=6400:200-175:35
=32-5
=27
g)=184:(96-4)+2*3561
=184:92+2*3561
=2+7122
=7124
h)=146-(16+284):15-2*25
=146-300:15-2*25
=146-20-50
=126-50
=76
Nhớ k cho mình nha!🤗😘😘😘
đáp án là 1