题目内容
脱式计算
| 756÷(51-33) | 56+48×13 | 288÷18×4 | 45×(45-27) |
(1)756÷(51-33),
=756÷18,
=42;
(2)56+48×13,
=56+624,
=680;
(3)288÷18×4,
=16×14,
=224;
(4)45×(45-27),
=45×18,
=810.
=756÷18,
=42;
(2)56+48×13,
=56+624,
=680;
(3)288÷18×4,
=16×14,
=224;
(4)45×(45-27),
=45×18,
=810.
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