Question

3.8×5.46＋7.2×5.46-5.46怎样简算？4.6×2.02怎样简算

Answer 1

3.8×5.46＋7.2×5.46-5.46
=5.46（扮贺核拍塌3.8+7.2-1）厅掘
=5.46*10
=54.6
4.6×2.02
=4.6*2*(1+0.01)
=9.2+0.092
=9.292

Answer 2

解:可以直接提取5.46，然后按四则运算法则进行计算。核搜袜计算漏尺过程
3.8x5.46+7.2ⅹ5.46-5.46
=5.46ⅹ(3.8+7.2-1)
=5.46ⅹ10
=54.6。改激