题目内容

脱式计算.
144×3×5300-86×3(84+116)×4
304+106×5102×4×5350+15×6.
(1)144×3×5,
=432×5,
=2160;

(2)300-86×3,
=300-258,
=42;

(3)(84+116)×4,
=200×4,
=800;

(4)304+106×5,
=304+530,
=834;

(5)102×4×5,
=408×5,
=2040;

(6)350+15×6,
=350+90,
=440.
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