9.9×26简便计算
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![9.9×26简便计算](/uploads/image/z/244114-34-4.jpg?t=9.9%C3%9726%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
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9.9×26简便计算
9.9×26简便计算
9.9×26简便计算
9.9×26
=(10-0.1)×26
=10×26-0.1×26
=260-2.6
=257.4
9.9x26
=(10-0.1)x26
=10x26-0.1x26
=260-2.6
=257.4
9.9x26
=(10-0.1)x26
=10x26-0.1x26
=260-2.6
=257.4
望采纳,谢谢