简便计算:8×[0.75-0.25×(4-2)]
问题描述:
简便计算:8×[0.75-0.25×(4-2)]
答
8×[0.75-0.25×(4-2)]
=2x[3-1×2]
=2
答
8×[0.75-0.25×(4-2)]
=8×(0.75-0.25×2)
=8×(0.75-0.5)
=8×0.25
=2