f 2345-1000: [ 19-2(21-18)2]
2345-1000÷[19-2×(21-18)^2]
\(=2345-1000:\left[19-2\cdot9\right]=1345\)
\(2345 − 1000 : [ 19 − 2 × ( 21 − 18 )^2]\)
\(= 2345 − 1000 : ( 19 − 2 × 3^2)\)
\(= 2345 − 1000 : ( 19 − 2 × 9 )\)
\(= 2345 − 1000 : ( 19 − 18 )\)
\(= 2345 − 1000 : 1\)
\(= 2345 − 1000\)
\(= 1345\)
2345-1000÷[19-2×(21-18)^2]
= 2345 - 1000 : ( 19-2x32)
= 2345 - 1000 : ( 19 - 2 x 9)
= 2345 - 1000 : 1
= 23450 - 1000
= 1345
2345-1000:[19-2(21-18)2]
2345-1000:[19-2(21-18)2]
= 2345 - 1000 : [19-2x32 ]
=2345-1000 : [19 - 2x9]
= 2345 - 1000 : [19 - 18]
= 2345 - 1000 : 1
= 2345 -1000
= 1345
\(2345-1000\div\text{ }\left[19-2\left(21-18\right)^2\right]\)
\(=2345-1000\div\left(19-2.3^2\right)\)
\(=2345-1000\div\left(19-2.9\right)\)
\(=2345-1000\div\left(19-18\right)\)
\(=2345-1000\div1\)
\(=2345-1000\)
\(=1345\)
2345 - 1000 : [ 19 - 2 (21 - 18)2 ]
=2345 - 1000 : ( 19 - 2 x 32 )
=2345 - 1000 : ( 19 - 2 x 9 )
=2345 - 1000 : ( 19 - 18 )
=2345 - 1000 : 1
=2345 - 1000
=1345
Tính: 2345 - 1000 : [ 19-2(21-18)2]
A.2345
B.100
C.1000
D.10 000
Thực hiện phép tính:
2345-1000:(19-2.(21-18)^2)
2345-1000:(19-2.(21-18)^2)
= 2345 - 1000 : (19 - 2.32)
= 2345 - 1000 : (19 - 2.9)
= 2345 - 1000 : 1
= 2345 - 1000
= 1345
HỌC TỐT
2345-1000:(19-2.(21-18)^2)
= 2345-1000:(19-2.9)
= 2345-1000:(19-18)
= 2345-1000:1
= 2345-1000
=1345
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
\(a.3.52+15.22-26:2\\ 156+330-13\\ =486-13\\ =473\)
\(b.53.2-100:4+23.5\\ =106-25+115\\ =81+115\\ =196\)
2345-1000:[19-2(21-18)2]
.giúp mk tính từg bước
\(2345-1000:\left[19-2\times\left(21-18\right)^2\right]\)
\(=2345-1000:\left[19-2\times3^2\right]\)
\(=2345-1000:\left[19-18\right]\)
\(=2345-1000\)
\(=1345\)
2345-1000:[19-2(21-18)2]
= 2345-1000:(19-2.32)
= 2345-1000:(19-2.9)
= 2345-1000:(19-18)
= 2345-1000:1
= 2345 - 1000
= 1345
2345 - 1000 : [ 19 - 2 (21 -18 )2
= 2345 - 1000 : [ 19 - 2 . 9]
= 2345 - 1000 : [ 19 - 18 ]
= 2345 - 1000 : 1
= 2345 - 1000
= 1345
Thực hiện phép tính (Tính nhanh nếu có thể)
a) 2345 − 1000 : [19-2(21-18) 2 ]
b) 205 − [ 1200 − ( 4 2 − 2.3 ) 3 ]
a) 2345 − 1000 : [19-2(21-18) 2 ]=2345-1000:1=1345
b) 205 − [ 1200 − ( 4 2 − 2.3 ) 3 ]=205-( 1200 − 1000 ) = 5
2345-1000:[19-2(21-18)2]
Giúp mình giải bài này với!!! <3
Ta có :\(2345-1000:\left[19-2\left(21-18\right)^2\right]\)
\(=2345-1000:\left(19-2.3^2\right)\)
\(=2345-1000:\left(19-18\right)=2345-1000:1\)
\(=2345-1000=1345\)
2345 - 1000 : [19 - 2 . [ 21 - 12 ] ]
2345 - 1000 : [ 19 - 2 . [ 21 - 12 ) ]
= 2345 - 1000 : [ 19 - 2 . 9 ]
= 2345 - 1000 : [ 19 - 18 ]
= 2345 - 1000 : 1
= 2345 - 1000
= 1345