题目内容
| 一步一步地计算. 108×3×5 | 36×9-108 | (350-140)×4 |
| 56×5×2 | 700-114×5 | 47×3+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.
=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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