102×34简便计算99×225简便计算
102×34简便计算
=（100+2）x34
=100x34+2x34
=3400+68
=3468
99×225简便计算
=（100-1）x225
=100x225-225
=22500-225
=22275
=（100+2）x34
=100x34+2x34
=3400+68
=3468
99×225简便计算
=（100-1）x225
=100x225-225
=22500-225
=22275
温馨提示：答案为网友推荐，仅供参考
第1个回答 2017-03-18
102×34
=100×34+2×34
=3400+68
=3468
99×225
=100×225-1×225
=22500-225
=22275本回答被网友采纳
=100×34+2×34
=3400+68
=3468
99×225
=100×225-1×225
=22500-225
=22275本回答被网友采纳
第2个回答 2017-03-18
102×34
=3400+68
=3468
99×225
=100x225-225
=22500-225
=22275
=3400+68
=3468
99×225
=100x225-225
=22500-225
=22275
