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Java Games: Matching, concentration, word search, and flashcards.

Order of Operation

AB
15 + 7 - 319
3 + 6 x 4 - 225
14 / 7 + 12 x 3 - 929
16 + 5 - 714
21 + 18 / 6 - 915
9 + 12 - 6 x 4 /29
17 - 3 x 4 + 611
15 / 3 +27