3.05×0.29可不可以简便运算?

2025-04-02 06:47:06
推荐回答(2个)
回答1:

可以简便运算,
方法1:
3.05x0.29
=(3+0.05)x0.29
=3x0.29+0.05x0.29
=0.87+0.0145
=0.8845

方法2:
3.05x0.29
=3.05x(0.3-0.01)
=3.05x0.3-3.05x0.01
=0.915-0.0305
=0.8845

方法2更好算一点。

回答2:

简便计算
3.05×0.29
=3x0.29+0.05x0.29
=0.87+0.0145
=0.8845