8888+1111=
nine thousand nine hundred and ninety-nine
36*1111+8888*81
36× 1111+8888×8
=36× 1111+1111×8×8
=36× 1111+1111×64
=1111× (36+64)
=1111× 100
=111100 understand to adopt Oh!
When x is what, is 2x + 3 + 1x + 1 meaningful in the real range?
According to the meaning of the question: 2x + 3 ≥ 0x + 1 ≠ 0, the solution: X ≥ - 32 and X ≠ - 1