脱式计算:(1)36×(913-276÷23);(2)(93+25×21)×9;(3)507÷13×63+498;(4)723-(521+50
脱式计算:(1)36×(913-276÷23);(2)(93+25×21)×9;(3)507÷13×63+498;(4)723-(521+504)÷25;(5)384÷1...
脱式计算:(1)36×(913-276÷23);(2)(93+25×21)×9;(3)507÷13×63+498;(4)723-(521+504)÷25;(5)384÷12+23×371;(6)(39-21)×(396÷6).
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(1)36×(913-276÷23)
=36×(913-12)
=36×901
=32436;
(2)(93+25×21)×9
=(93+525)×9
=618×9
=5562;
(3)507÷13×63+498
=39×63+498
=2457+498
=2955;
(4)723-(521+504)÷25
=723-1025÷25
=723-41
=682;
(5)384÷12+23×371
=32+8533
=8565;
(6)(39-21)×(396÷6)
=18×66
=1188.
=36×(913-12)
=36×901
=32436;
(2)(93+25×21)×9
=(93+525)×9
=618×9
=5562;
(3)507÷13×63+498
=39×63+498
=2457+498
=2955;
(4)723-(521+504)÷25
=723-1025÷25
=723-41
=682;
(5)384÷12+23×371
=32+8533
=8565;
(6)(39-21)×(396÷6)
=18×66
=1188.
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