1/4×12/11×(11/12+3/4) 简算

问题描述:

1/4×12/11×(11/12+3/4) 简算

1/4×12/11×(11/12+3/4)
=1/4x12/11x11/12+1/4x3/4x12/11
=1/4x1+3/16x12/11
=1/4+9/44
=11/44+9/44
=20/44
=5/11
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