9.46除以4.5+18.2 16分之13(乘17-13分之9)
问题描述:
9.46除以4.5+18.2 16分之13(乘17-13分之9)
答
9.46÷4.5+18.2
=473÷225+91÷5
=(473+91×45)/225
=(473+4095)/225
=4568/225
13/16×(17-9/13)
=(13*7)/16-13/16*9/13
=91/16-9/16
=(91-9)/16
=41/8