30+80÷(20×3)=?
问题描述:
30+80÷(20×3)=?
答
30+80÷(20×3)
=30+80÷60
=30+4/3
=31又1/3
30+80÷(20×3)=?
30+80÷(20×3)
=30+80÷60
=30+4/3
=31又1/3