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脱式计算.37×64+37×136246÷6×135-2645(127+47)×15÷5(550-400)÷5×247.

题目详情
脱式计算.
37×64+37×136
246÷6×135-2645
(127+47)×15÷5
(550-400)÷5×247.
▼优质解答
答案和解析
(1)37×64+37×136,
=37×(64+136),
=37×200,
=7400;

(2)246÷6×135-2645,
=41×135-2645,
=5535-2645,
=2890;

(3)(127+47)×15÷5,
=174×15÷5,
=2610÷5,
=522;

(4)(550-400)÷5×247,
=150÷5×247,
=30×247,
=7410.