简算:23×21/22+1/22

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简算:23×21/22+1/22简算:23×21/22+1/22简算:23×21/22+1/2223×21/22+21/22×1=21/22×(23+1)=21/22×22=21

简算:23×21/22+1/22
简算:23×21/22+1/22

简算:23×21/22+1/22
23×21/22+21/22×1
=21/22×(23+1)
=21/22×22
=21