计算并把结果写成小数。*q']+u(e*}7F/g+K
(1(5/99)+3(5/33)+9(5/11))÷(1(1/99)+3(1/33)+9(1/11))=+{*b'N*p7s8S8w:c*q']+u(e*}7F/g+K
算式:提示5m,H(M*Z:A;L,@*q']+u(e*}7F/g+K