\(24:\text{ }\left\{390:\text{ }\left[500-\left(5^3+49.5\right)\right]\right\}\)
\(=24:\left\{390:\left[500-\left(125+245\right)\right]\right\}\)
\(=24:\text{ }\left\{390:\left[500-370\right]\right\}\)
\(=24:\left\{390:130\right\}\)
\(=24:3\)
\(=8\)
Thực hiện thứ tự phép tinh:
a) 85 - ( 3 . 52 - 4. 32)
b) 9.23 - ( 711 : 72 + 12015 + 20160)
c) 24: ( 390 : ( 500- ( 53 + 49.5)))
d) 2 +4 +6 +... +1000
tính
24 : { 390 : [ 500 - ( 125 + 35 . 7 )]} - 32
bài 44:
a,24:{390[500-(125+35.7)]}-32
b,-996+998-1000+1002-1004+1006-...-2012+2014
24 : { 390 - [ 500 - ( 125 + 35 . 7 ) ] } = 2\(^x\)
24:{390:[500-(125+35.7)]}-32
Giúp mk nhanh nha mk tick cho
12:{390:[500-(53+5.72)] }
Thực hiện phép tính: 12: { 390:[500- (5^3+7^2.5)}].
a,x-280:35=554
b,x+(5÷3)=500
c,390:(5x-5)=39
d,34x-14x=200
250b :{5.[78-(1997-1969)]}
3.{150:[(3006-2854)-77
12:{390:[500-(125+35.7)]}
100-[(64-48).5+88]:28
