试题 试卷
题型:脱式计算 题类: 难易度:普通
重庆市育才中学数学小升初测试题9
12.12×11-11.11×12
= (12+____)×11-(____+0.11)×12
=12×11+0.12×11-____-0.11×12
=____×11-____×12
=0.01×____×11-0.01×____×12
=____×(12×11-11×12)
=____×
=0
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