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脱式计算495÷15×2626×(28+17)(780-724)×15(145+55)÷20256-18-82210+720÷30.

题目详情
脱式计算
495÷15×26 26×(28+17) (780-724)×15
(145+55)÷20 256-18-82 210+720÷30.
▼优质解答
答案和解析
(1)495÷15×26,
=33×26,
=858;

(2)26×(28+17),
=26×45,
=1170;

(3)(780-724)×15,
=56×15,
=840;

(4)(145+55)÷20,
=200÷20,
=10;

(5)256-18-82,
=256-(18+82),
=256-100,
=156;

(6)210+720÷30,
=210+24,
=234.