30 + ____ = 40 40 + ____ = 100 100 -____ = 10 50 + ____ = 100 80 - ____ = 60 30 - ____ = 0 5 x 3 = ____ 4 x 4 = ____ 9 x 3 = ____ 7 x 7 = ____ 3 x 4 = ____ 2 x 3 = ____

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