2.1乘以18加21乘以2.2加210乘以0.6
问题描述:
2.1乘以18加21乘以2.2加210乘以0.6
答
2.1*18+21*2.2+210*0.6=21*(1.8+2.2+6)=210谢谢你
2.1乘以18加21乘以2.2加210乘以0.6
2.1*18+21*2.2+210*0.6=21*(1.8+2.2+6)=210谢谢你