计算:11.8×43-860×0.09=_.
问题描述:
计算:11.8×43-860×0.09=______.
答
11.8×43-860×0.09,
=11.8×43-43×20×0.09(20先与0.09相乘),
=11.8×43-43×1.8,
=43×(11.8-1.8),
=43×10,
=430.