99×33的简便计算
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99×33的简便计算
99×33的简便计算
99×33的简便计算
99×33
=(100-1)×33
=100×33-33
=3300-33
=3267
(99+1)*33
33乘100-33=3267
(100-1)*33=100*33-33
100x33-33=207
(100-1)*33
=100*33-33*1
=3300-33
=3267