iyom's blog

MEDIA ALAT PERAGA PEMBELAJARAN MATEMATIKA MATERI KESEBANGUNAN Di susun sebagai salah satu tugas mata pelajaran media pembelajaran matematika Disusun oleh:                                                                  Siti Romlah                                         NIM : 14510123 Lia Awaluhum                             NIM : 14510275 Rita Susanti    ...

Symbol matematika ≡ identically equal ≅ congruent with ∼ approximately ≠ not equal to ≤ less than or equal to ≥ greater than or equal to ∧ logical and ∨   logical or ∀ for all ∃ there exists Σ n-ary summation ∠ angle N the set of natural numbers Z the set of whole numbers (integers) R the set of real numbers ∅ an empty set ∞ an infinity sign x ∈ X an element x belongs to a set X x ∉ X an element x doesn’t belong to a set X X  ⊂  Y a set X is a subset of a set Y  X  ∪  Y a union of sets X and Y  X  ∩  Y an intersection of sets X and Y + plus sign/added by − ...