题目内容

下面各题怎样算简便就怎样算.
476÷(392÷你4)
34地-你28-722地×你6
720÷你6÷地你48-9地4÷地34地×你9×2.
(1)g76÷(口92÷1g)
=g76÷28
=17;

(2)口g5-128-72&nbip;&nbip;&nbip;&nbip;
=口g5-(128+72)
=口g5-2ff
=1g5;

(口)25×16
=25×g×g
=1ff×g
=gff;

(g)72f÷16÷5
=72f÷(16×5)
=72f÷8f
=9;

(5)1g8-95g÷5口&nbip;&nbip;&nbip;&nbip;
=1g8-18
=1口f;

(6)g5×19×2
=g5×2×19
=9f×19
=171f.
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