见图
＝178200
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第1个回答 2018-02-28
396x25×18
=99x4x25x18
=99x100x18
=（100-1）x1800
=100x1800-1800
=180000-1800
=178200
谢谢，请采纳本回答被网友采纳
=99x4x25x18
=99x100x18
=（100-1）x1800
=100x1800-1800
=180000-1800
=178200
谢谢，请采纳本回答被网友采纳
第2个回答 2023-03-05
396×25×18
=(400一4)×25×18
=400×25×18一4×25×18
=180000一1800
=178200
=(400一4)×25×18
=400×25×18一4×25×18
=180000一1800
=178200
第3个回答 2018-02-28
396x25x18
=99x4x25x18
=（100-1）x100x18
=180000-1800
=178200本回答被网友采纳
=99x4x25x18
=（100-1）x100x18
=180000-1800
=178200本回答被网友采纳
第4个回答 2018-02-28
396×25×18
=99×4×25×18
=99×1800
=100×1800-1×1800
=180000-1800
=178200
=99×4×25×18
=99×1800
=100×1800-1×1800
=180000-1800
=178200
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