下面各题,怎样简便就怎样计算.99×43+43 25×26×8 102×36 59×299 16×5+34×5+28 125×44

下面各题,怎样简便就怎样计算.99×43+43 25×26×8 102×36 59×299 16×5+34×5+28 125×44.

(1)99×43+43,
=(99+1)×43,
=4300;

(2)25×26×8,
=(25×8)×26,
=200×26,
=5200;

(3)102×36,
=(100+2)×36,
=3600+72,
=3672;

(4)59×299,
=59×(300-1),
=17700-59,
=17641;

(5)16×5+34×5+28,
=(16+34)×5+28,
=50×5+28,
=250+28,
=278;

(6)125×44,
=125×4×11,
=500×11,
=5500.
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