123. (125.127- 125 .87) +87.125.123 -123 .125.126
=123. [125.(127-87)] +87.125.123 -123 .125.126
=123. (125.40) +87.125.123 -123 .125.126
=123.5000 +10875.123 -123 .15750
=123.(5000+10875-15750)
=123.125
=15375
123. (125.127- 125 .87) +87.125.123 -123 .125.126
=123. [125.(127-87)] +87.125.123 -123 .125.126
=123. (125.40) +87.125.123 -123 .125.126
=123.5000 +10875.123 -123 .15750
=123.(5000+10875-15750)
=123.125
=15375
thu gon bieu thuc sau: 123.(125.127-125.87)+87.125.123-123.125.126
123. (125.127- 125 .87) +87.125.123 -123 .125.126
rut gon bieu thuc sau -4+{x-15}+3
rut gon bieu thuc sau : (-12).(-2)-[|-3|^2-(-2)^3.3]/(-3)^3
Rut gon bieu thuc sau: 472*524/216= ?
Rut gon bieu thuc sau : A=3x5x7x11x13x37-10101 / 1212120+40404
giup minh voi cac ban oi!!!!
rut gon bieu thuc
|a| . a
(a+b)(a+b) rut gon bieu thuc
rut gon bieu thuc
|a| - a