| 脱式计算。(能简算的要简算) | ||||||
|
| (1)2008×99+2008 =2008×100 =200800 | (2)21.2-27÷1.5 =21.2-18 =3.2 |
(3)( + )÷![]() = ÷![]() = ![]() | (4) × + ×![]() = ×1= ![]() |
(5)2-( + ÷ )=2- ![]() = ![]() | (6)( + )× +![]() = × +![]() = ![]() |
编辑:chaxungu时间:2026-04-27 13:26:06分类:小学数学题库
| 脱式计算。(能简算的要简算) | ||||||
|
| (1)2008×99+2008 =2008×100 =200800 | (2)21.2-27÷1.5 =21.2-18 =3.2 |
(3)( + )÷![]() = ÷![]() = ![]() | (4) × + ×![]() = ×1= ![]() |
(5)2-( + ÷ )=2- ![]() = ![]() | (6)( + )× +![]() = × +![]() = ![]() |