Question

16.8/1.2+16.8/4.8简便方法怎么算？

Answer 1

16.8/1.2+16.8/4.8
=（16.8+16.8÷4）/1.2
=(16.8+4.2)/1.2
=21÷3÷0.4
=7÷2/5
=35/2
=17.5

Answer 2

16.8/1.2+16.8/4.8
=168/12+168/48
=168x(1/12+1/48)
=168x(4/48+1/48)
=168x5/48
=7x5/2
=17.5。