计算:75×4.67+17.9×2.5=_.
问题描述:
计算:75×4.67+17.9×2.5=______.
答
75×4.67+17.9×2.5
=25×3×4.67+25×1.79
=25×(14.01+1.79)
=25×15.8
=50×7.9
=50×(8-0.1)
=400-5
=395;
故答案为:395.