解:原式=3.36x2.7+3.36x7.3
=3.36X(2.7+7.3)
=3.36x10
=33.6
分析:主要考察结合律的简便计算。
3.36x2.7+33.6x0.73
=33.6x0.27+33.6x0.73
=33.6x(0.27+0.73)
=33.6x1
=33.6.
=3.36✘2.7+3.36✘7.3
=3.36✘(2.7+7.3)
=3.36✘10
=33.6
=3.36x2.7+3.36x7.3
=3.36x(2.7+7.3)
=3.36x10
=33.6