11×11×11-11×11-10(简算)(要算式)
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11×11×11-11×11-10(简算)(要算式)
11×11×11-11×11-10(简算)(要算式)
11×11×11-11×11-10(简算)(要算式)
=11*11(11-1)-10
=11*11*10-10
=10*(11*11-1)
=10*(121-1)
=1200