Working from left to right find the solution to the calculation.

Gan weithio o'r chwith i'r dde , cyfrifwch yr ateb i'r canlynol.

EASY HAWDD 9 + 11 ÷ 2 - 7 x 9 + 3 ÷ 3
MEDIUM CANOLIG 5 - 11 x 2 + 15 x 6 x 2 ÷ 18
HARD ANODD 8 3√ x 12 + 8 x 3 ÷ 6 √

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