Question

五又五分之二×3.6+54×36%+42×0.54简便计算？

Answer 1

5又2/5×3.6+54×36%+42×0.54
=5.4×3.6+5.4×10×0.36+0.54×10×4.2
=5.4×3.6+5.4×3.6+5.4×4.2
=5.4×(3.6+3.6+4.2)
=5.4×11.4
=61.56

Answer 2

5又察核2/5×3.6+54×36%+42×0.54
=5.4×3.6+54×0.36+42×0.54
=5.4×0.1×36+54×0.01×36+42×0.54
=0.54×36+0.54×36+42×0.54
=0.54×（36+36+42）喊芦
=0.54×114
=0.54×（100+10+4）郑没带
=0.54×100+0.54×10+0.54×4
=54+5.4+2.16
=59.4+2.16
=61.56

Answer 3

=5.4*3.6+5.4*3.6+5.4*4.2=5.4*11.4=61.56