Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
\(a,245-96+6\)
\(=155\)
\(b,=23\times\left(65+35\right)\)- 360
\(=23\times100-360\)
\(=1940\)
\(c,3^3+3^2-\left(2^2+7\right)\)
\(3^3+3^2-\left(4+7\right)\)
=\(3^3+3^2-11\)
=\(27+9-11\)
a, = 80-(4.25-3.8)
= 80 - ( 100 - 24 )
= 80 - 76
= 4
b , 23,75+25,23+180 = 48.98 + 180 = 228.98
c , 2448 : [119 - ( 23 - 6 ) = 2448 : [ 119 - 17 ]
= 2448 : 7
= 394.7142857
a, = 80-(4.25-3.8)
= 80 - ( 100 - 24 )
= 80 - 76
= 4
b , 23,75+25,23+180
= 48.98 + 180 = 228.98
c , 2448 : [119 - ( 23 - 6 ) = 2448 : [ 119 - 17 ]
= 2448:7
= 394.7142857
tick nhé bạn
b)23.75+25.23+180
23.(75+25)+180
23.100+180
2300+180
2480
c)
-257-(-257)+100
(-257+257)+100
0+100
100
d)
-3-4+6
-3+(-4)+6
-7+6
-1
23 . 163-63.23+180
= 23.( 163 - 63 + 180 )
= 23. 280
= 6440
23. 163 - 63.23 + 180
= 23 . ( 163 - 63 ) + 180
= 23 . 100 + 180
= 2300 + 180
= 2480
280 - ( 4 . 53 - 32 . 23 )
= 280 - ( 4. 125 - 9 . 23 )
= 280 - ( 500 - 207 )
= 280 - 293
133 - 3( x + 5 ) = 46
3( x + 5 ) = 133 - 46
3 ( x + 5 ) = 87
x + 5 = 87 : 3
x + 5 = 29
hok tốt ##
\(a,5:5^2+2^3.3^2\)
\(=5^4+72\)
\(=697\)
\(b,8^3.25-8^3.23\)
\(=8^3.\left(25-23\right)\)
\(=8^3.2\)
\(=1024\)
\(c,80-\left(4.5^2-3^2.2^3\right)\)
\(=80-\left(100-72\right)\)
\(=80-28\)
\(=52\)
\(d,\left(12^4-6^4+2.3^4\right):3^4\)
\(=\left(20736-1296+162\right):3^4\)
\(=19602:3^4\)
\(=242\)
\(a,5:5^2+2^3.3^2\)
\(=5+72\)
\(=77\)
\(b,8^3.25-8^3.23\)
\(=8^3.\left(25-23\right)\)
\(=8^3.2\)
\(=1024\)
\(c,80-\left(4.5^2-3^2.2^3\right)\)
\(=80-\left(100-72\right)\)
\(=80-28\)
\(=52\)
\(d,\left(12^4-6^4+2.3^4\right):3^4\)
\(=\left(20736-1296+162\right):3^4\)
\(=19602:3^4\)
\(=242\)
\(180:\left(4\cdot5^2-8^2\right)\\ =180:\left(4\cdot25-64\right)\\ =180:\left(100-64\right)\\ =180:36\\ =5\)
180 : ( 4.52-82)
= 180 : ( 4.25 - 64)
= 180 : ( 100 - 64)
= 180 : 36
= 5