2.5×2.4÷1.4+4.8÷2.1×2.5的简便运算
问题描述:
2.5×2.4÷1.4+4.8÷2.1×2.5的简便运算
答
=2.5x0.4x6÷2÷0.7+2.5x0.4x12÷3÷0.7 =3÷0.7+4÷0.7=10
2.5×2.4÷1.4+4.8÷2.1×2.5的简便运算
=2.5x0.4x6÷2÷0.7+2.5x0.4x12÷3÷0.7 =3÷0.7+4÷0.7=10