Question

6.66×66.7怎么验算

Answer 1

问：6.66×66.7怎么验算

答：亲，你好，很高兴来帮助您的学习计算结果等于444.222

答：亲，验算的方法就是用除法的方法444.222÷66.7＝6.66这样说明计算的就是正确了

答：亲6.66×66.7＝6×1.11×（66.6+0.1）＝6×1.11×66.6+0.666＝6×1.11×60×1.11+0.666＝6×60×1.11×1.11+0.666＝360×1.11×1.11+0.666＝399.6×1.11+0.666＝443.556+0.666＝444.222