Question

2.7×5.9+0.27怎样简便？

Answer 1

因为2.7×5.9=0.27×59，所以原式等于0.27×59+0.27运用乘法分配律逆运算就是0.27×（59+1）=0.27×60=16.2

Answer 2

2.7x5.9十0.27
=0.27x59十0.27
=0.27ⅹ(59十1)
=0.27x60
=16.2。