345-45+300=, 600, 645, 799+1-4=, 786, 800, 50+0 is, assosiative property , identity property, =-+x are, operations, puntuation, 9,999,999, is the largest 7 digit number, smalles 5 digit, "total", is a keyword of multiplication, keyword of addition, 3x2=2x3, is associative property, =45, find solution = if + was - and - was + find the answer. 3-2 +5-35+5+9=, 56, 98, 32, 44, (456+34) x6=, 2940, 4242.

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