4 1(2-3х)=12-(12 3 х 3 8) July 8, 2019 16 32 64 128 4 1 2 3х 12 12 3х 3 8 1 + 2 + 3 + 4 = 10 1 2 + 3 4 4 1/2 + 1 1/3
