43×28+23×28+66×39+33×66的简便计算
发布网友
发布时间:2024-10-23 17:21
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热心网友
时间:2024-11-02 00:20
43×28+23×28+66×39+33×66
=(43+23)×28+66×(39+33)
=66×28+66×72
=66×(28+72)
=66×100
=6600
热心网友
时间:2024-11-02 00:21
43×28+23×28+66×39+33×66
=28×(43+23)+66×(39+33)
=28×66+66×72
=66×(28+72)
=66×100
=6600