3.56×38.5+0.7×356+9.15×35.6.
问题描述:
3.56×38.5+0.7×356+9.15×35.6.
答
3.56×38.5+0.7×356+9.15×35.6
=35.6×3.85+70×35.6+9.15×35.6
=35.6×(3.85+70+9.15)
=35.6×83
=2954.8.