问题
解答题
计算0.25×(1.3+1.3+1.3+1.3)的简便算法是(0.25×4)×1.3______.
答案
0.25×(1.3+1.3+1.3+1.3),
=0.25×1.3×4,
=(0.25×4)×1.3,
=1×1.3,
=1.3.
故答案为:正确.
计算0.25×(1.3+1.3+1.3+1.3)的简便算法是(0.25×4)×1.3______.
0.25×(1.3+1.3+1.3+1.3),
=0.25×1.3×4,
=(0.25×4)×1.3,
=1×1.3,
=1.3.
故答案为:正确.