Question

3.76ⅹ0.5-0.65简便方法？

Answer 1

3.76×0.5-0.65

=3.76×0.5-0.5×1.3

=0.5×（3.76-1.3）灶袭悄隐渣禅码

=0.5×2.46

=1.23

Answer 2

0.65=0.5x1.3
所以将碰谈原谨竖式变成笑晌碰
3.76x0.5-0.65
=3.76x0.5-1.3x0.5
=（3.76-1.3）x0.5
=2.46x0.5
=1.23
最终简便计算

Answer 3

直接计算最简便
3.76×0.5-0.65
=1.88-0.65
=1.23

Answer 4

原式=0.5（3.76-1.3）=0.5x2.46=1.23

Answer 5

此题采用模余乱小毁樱数转分数进行简算，将0.5转换为1/2，原式=3.76/旦档2-0.65=1.88-0.65=1.23