33.3×6.6666巧算怎么做
3.33x6.6666怎么巧算? -
=3.33*6+3.33*0.6+3.33*0.06+3.33*0.006+3.33*0.0006 =22.199778
3.3×6.6666的巧算方法如下：33.3×6.6666 =11.1×3×3×2.2222 =11.1×9×2.2222 =11.1×19.9998 =11.1×（20-0.0002）222-0.00222 =221+（1-0.00222）221+0.99778 =221.99778
=3.33*6+3.33*0.6+3.33*0.06+3.33*0.006+3.33*0.0006 =22.199778
3.3×6.6666的巧算方法如下：33.3×6.6666 =11.1×3×3×2.2222 =11.1×9×2.2222 =11.1×19.9998 =11.1×（20-0.0002）222-0.00222 =221+（1-0.00222）221+0.99778 =221.99778
100/3乘以666.66/100 可以算出近似值222.22
3.3×6.6666 =3×6.6666+0.3×6.6666 =19.9998+1.99998 =19.9998+2-0.00002 =21.9998-0.00002 =21.99978
3.3×6.6666的巧算方法是什么? -
3.3×6.6666的巧算方法如下：33.3×6.6666 =11.1×3×3×2.2222 =11.1×9×2.2222 =11.1×19.9998 =11.1×（20-0.0002）222-0.00222 =221+（1-0.00222）221+0.99778 =221.99778
3.3×6.6666的巧算方法如下：33.3×6.6666 =11.1×3×3×2.2222 =11.1×9×2.2222 =11.1×19.9998 =11.1×（20-0.0002）222-0.00222 =221+（1-0.00222）221+0.99778 =221.99778
3.3×6.6666的巧算方法如下? -
3.3×6.6666的巧算方法如下：33.3×6.6666 =11.1×3×3×2.2222 =11.1×9×2.2222 =11.1×19.9998 =11.1×（20-0.0002）222-0.00222 =221+（1-0.00222）221+0.99778 =221.99778
3.3×6.6666的巧算方法如下：33.3×6.6666 =11.1×3×3×2.2222 =11.1×9×2.2222 =11.1×19.9998 =11.1×（20-0.0002）222-0.00222 =221+（1-0.00222）221+0.99778 =221.99778