9.728÷(4.28-1.08)×3.5简便计算
问题描述:
9.728÷(4.28-1.08)×3.5简便计算
答
9.728÷(4.28-1.08)×3.5
=9.728÷3.2x3.5
=3.04x3.5
=(3+0.04)x3.5
=3x3.5+0.04x3.5
=10.5+0.14
=10.64