题目内容

一步一步地计算.
108×3×5
36×9-108(350-140)×4
56×5×2700-114×547×3+254.
(1)108×3×5,
=324×5,
=1620;

(2)36×9-108,
=324-108,
=216;

(3)(350-140)×4,
=210×4,
=840;

(4)56×5×2,
=56×(5×2),
=56×10,
=560;

(5)700-114×5,
=700-570,
=130;

(6)47×3+254,
=141+254,
=395.
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