290-10.(20180+35:32)
71-50:[5+3.(57-6.7)]
4.25-56:23
375:53+(39:36-2.23)
32:{160:[160:[300-(175+21.5)]}
290-10.(20180+35:32)
71-50:[5+3.(57-6.7)]
4.25-56:23
375:53+(39:36-2.23)
32:{160:[300-(175+21.5)]}
32 : { 160 : [ 300 - ( 175 + 21.5 ) ] }
\(32:\left\{160:\left[300-\left(175+21\times5\right)\right]\right\}=32:\left[160:\left(300-280\right)\right]=32:\left(160:20\right)=32:8=4\)
32 : { 160 : [ 300 - ( 175 + 21 . 5) ] }
=32 : { 160 : [ 300 - 280 ] }
=32 : { 160 : 20 }
=32 : 8
=4
k mình nha ^^
32 : {160 : [300 - (175 + 21.5)]}
= 32 : {160 : [300 - (175 + 105)]}
= 32 : {160 : [300 - 280]}
= 32 : {160 : 20}
= 32 : 8
= 4
32.{160:[300-(175+21.5)]}
giúp mình với mình đang vội
32 . {160 : [ 300 - (175 + 21 . 5) ] }
= 32 . {160 : [ 300 - 280 ] }
= 32 . {160 : 20}
= 32 . 8
= 256
Trả lời
184
sai thì bỏ đi
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51+52+53+54+56+57+58+59+60+61+62+63+64+65+66+67+68+69+70=?
Tính giá trị biểu thức:
a, 15 . { 32 : [ 6 - 5 + 5 ( 9 : 3 ) ] + 3 } - 2018 0
b, 25 . { 2 7 : [ 12 - 4 + 2 2 . 16 : 2 3 ] - 2 4 }
c, 2019 . { 101 - 1000 : [ 2 2 . 2 3 + 5 6 : 5 3 - 6 2 : 11 - 2018 0 ] }
a, 15 . { 32 : [ 6 - 5 + 5 ( 9 : 3 ) ] + 3 } - 2018 0
= 15.{32:[1+15]+3}–1
= 15.5–1
= 74
b, 25 . { 2 7 : [ 12 - 4 + 2 2 . 16 : 2 3 ] - 2 4 }
= 25.{128:[8+4.2]–16}
= 25.24
= 600
c, 2019 . { 101 - 1000 : [ 2 2 . 2 3 + 5 6 : 5 3 - 6 2 : 11 - 2018 0 ] }
= 2019.{101–1000:[(32+125–36):11–1]}
= 2019.{101–1000:[121:11–1]}
= 2019.{101–1000:10}
= 2019.1
= 2019
32:{160:[300 (175+21:5) ] } = ?
32:{160:[300-(175+21nhân 5 )]}
\(32\div\left\{160\div\text{[}300-\left(175+21\times5\right)\text{]}\right\}\)
\(=32\div\left\{160\div\text{[}300-\left(175+105\right)\text{]}\right\}\)
\(=32\div\left\{160\div\text{[}300-280\text{]}\right\}\)
\(=32\div\left\{160\div20\right\}\)
\(=32\div8\)
\(=4\)
32: { 160 : [300 - (175 + 105 ) ]}
= 32: {160 : [300 - 280]}
= 32 : {160 : 20 }
= 32 : 8
= 4
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