计算下面各题,怎样简便就怎样算. 432÷36+12×23000÷25÷48.46-2.25-3.7572×125135×67-67×35812÷
计算下面各题,怎样简便就怎样算.432÷36+12×23000÷25÷48.46-2.25-3.7572×125135×67-67×35812÷(532-36×14)...
计算下面各题,怎样简便就怎样算. 432÷36+12×23000÷25÷48.46-2.25-3.7572×125135×67-67×35812÷(532-36×14)
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(1)432÷36+12×2,
=12+24,
=36;
(2)3000÷25÷4,
=3000÷(25×4),
=3000÷100,
=30;
(3)8.46-2.25-3.75,
=8.46-(2.25+3.75),
=8.46-6,
=2.46;
(4)72×125,
=(8×9)×125,
=8×125×9,
=1000×9,
=9000;
(5)135×67-67×35,
=(135-35)×67,
=100×67,
=6700;
(6)812÷(532-36×14),
=812÷(532-504),
=812÷28,
=29.
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