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简便计算:1.1×1.1×1.1-1.1×1.1-0.11

编辑:chaxungu时间:2026-04-27 13:34:01分类:小学数学题库

简便计算:1.1×1.1×1.1-1.1×1.1-0.11

1.1×1.1×1.1-1.1×1.1-0.11
=1.1×(1.1×1.1-1.1-0.1)
=1.1×[(1.1×(1.1-1)-0.1)]
=1.1×(1.1×0.1-0.1)
=1.1×0.01
=0.011