①44×25,
=11×4×25,
=11×(4×25),
=11×100,
=1100;
②6200÷25÷4,
=6200÷(25×4),
=6200÷100,
=62;
③65×5-35÷5,
=325-7,
=318;
④362-(16+27)×4,
=362-43×4,
=362-172,
=190;
⑤51.27-8.66-1.34,
=51.27-(8.66+1.34),
=51.27-10,
=41.27;
⑥75+12.7+25+6.3,
=(75+25)+(12.7+6.3),
=100+19,
=119.