13-48×(1/12+1/16)
问题描述:
13-48×(1/12+1/16)
答
=13-(48×1/12+48×1/16)
=13-(4+3)
=13-7
=6
13-48×(1/12+1/16)
=13-(48×1/12+48×1/16)
=13-(4+3)
=13-7
=6