Question

数学题简便运算？

简便运算，二点25×0点6+3/4×2/3加60%

Answer 1

2.25x0.6+3/4x2/3+60%
=2.25x0.6+2/4+0.6
=3.25x0.6+0.5
=1.95+0.5
=2.45。

Answer 2

2.25x0.6+3/4x2/3+60%

=2.25x0.6+2/4+0.6

=3.25x0.6+0.5

=1.95+0.5

=2.45。

Answer 3

2.25*0.6+3/4*2/3+60％
=（2.25+1）*0.6+2/4
=3.25*0.6+1/2
=1.95+0.5
=2.45

Answer 4

根据题目可以得到
2.25*0.6+3/4*2/3+60%
=1.35+0.5+0.6
=2.45

Answer 5

2.25x0.6+3/4x2/3+60%
=2.25x0.6+2/4+0.6
=2.25x（0.4+0.2）+1/2+0.6
=2.25x0.4+2.25x0.2+（0.5+0.6）
=0.9+0.45+1.1
=（0.9+1.1）+0.45
=2+0.45
=2.45