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 19 + 12 - 5 ÷ 2 x 3 + 1 x 10
MEDIUM CANOLIG 400 x 20 ÷ 500 - 20 x -2 x -2 x -2
HARD ANODD 32 x 5 + 9    x 6 ÷ 2 x 3

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