
脱式计算. 786+500÷(320-270) 3774÷37×(89-73) 17×(290-288÷2) 2600÷(1100-36
脱式计算.786+500÷(320-270)3774÷37×(89-73)17×(290-288÷2)2600÷(1100-36×25)...
脱式计算. 786+500÷(320-270) 3774÷37×(89-73) 17×(290-288÷2) 2600÷(1100-36×25)
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(1)786+500÷(320-270),
=786+500÷50,
=786+10,
=796;
(2)3774÷37×(89-73),
=3774÷37×16,
=102×16,
=1632;
(3)17×(290-288÷2),
=17×(290-144),
=17×146,
=2482;
(4)2600÷(1100-36×25),
=2600÷(1100-900),
=2600÷200,
=13.
=786+500÷50,
=786+10,
=796;
(2)3774÷37×(89-73),
=3774÷37×16,
=102×16,
=1632;
(3)17×(290-288÷2),
=17×(290-144),
=17×146,
=2482;
(4)2600÷(1100-36×25),
=2600÷(1100-900),
=2600÷200,
=13.
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