问题
填空题
4.3×2.4+2.4×5.7=______×(______+______)运用了______律.
答案
4.3×2.4+2.4×5.7,
=2.4×(4.3+5.7),
=2.4×10,
=24.
故答案为:2.4、4.3、5.7,乘法分配律.
4.3×2.4+2.4×5.7=______×(______+______)运用了______律.
4.3×2.4+2.4×5.7,
=2.4×(4.3+5.7),
=2.4×10,
=24.
故答案为:2.4、4.3、5.7,乘法分配律.