25×3.2×1.25.
问题描述:
25×3.2×1.25.
答
25×3.2×1.25,
=25×4×(0.8×1.25),
=100×1,
=100.
25×3.2×1.25.
25×3.2×1.25,
=25×4×(0.8×1.25),
=100×1,
=100.