作业帮简便运算3.34×3.33+2.22×9.99
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/09 02:28:37
简便运算3.34×3.33+2.22×9.99
简便运算3.34×3.33+2.22×9.99
简便运算3.34×3.33+2.22×9.99
3.34×3.33+2.22×9.99
=3.34×3.33+2.22×3×3.33
=3.34×3.33+6.66×3.33
= （3.34+6.66)×3.33
=10×3.33
=33.3
3.34×3.33+2.22×9.99
=3.34x3.33+6.66x3.33
=(3.34+6.66)x3.33
=10x3.33
=33.3
3.34×3.33+2.22×9.99
=3.34×3.33+2.22×3.33×3
＝（3.34+6.66)×3.33
=10×3.33
=33.3
33.3