题目内容
| 脱式计算. (1)240÷2×5 | (2)(111-75)×13 | (3)400-128÷4 |
| (4)(45+54)÷3 | (5)25×4×15 | (6)1600-85×12. |
(1)240÷2×5,
=120×5,
=600;
(2)(111-75)×13,
=36×13,
=468;
(3)400-128÷4,
=400-32,
=368;
(4)(45+54)÷3,
=99÷3,
=33;
(5)25×4×15,
=100×15,
=1500;
(6)1600-85×12,
=1600-1020,
=580.
=120×5,
=600;
(2)(111-75)×13,
=36×13,
=468;
(3)400-128÷4,
=400-32,
=368;
(4)(45+54)÷3,
=99÷3,
=33;
(5)25×4×15,
=100×15,
=1500;
(6)1600-85×12,
=1600-1020,
=580.
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