8.53除以1又3分之2加11.47乘以5分之3
问题描述:
8.53除以1又3分之2加11.47乘以5分之3
答
这样的题目你自己做,不会做你就别读书了
答
1又3分之2=5/3
8.53÷(5/3)+11.47x(3/5)=8.53x(3/5)+11.47x(3/5)=(8.53+11.47)x(3/5)=20x(3/5)=12
答
8.53除以1又3分之2加11.47乘以5分之3
=8.53×3/5+11.47×3/5
=(8.53+11.47)×3/5
=20×3/5
=12