| 计算下面各题,能简算的要简算。 | |||||||||
|
(1) + + = +![]() =1 | (2) - -![]() = -![]() = ![]() | (3) + + +![]() = +1=1 ![]() |
(4)1- -![]() = -![]() = ![]() | (5)8- -![]() =8-1 =7 | (6) - +![]() = +![]() = ![]() |
(7) -( + )= -![]() = ![]() | (8) - +![]() =1- ![]() = ![]() | (9) -( - )= -![]() = ![]() |
编辑:chaxungu时间:2026-04-27 13:58:40分类:小学数学题库
| 计算下面各题,能简算的要简算。 | |||||||||
|
(1) + + = +![]() =1 | (2) - -![]() = -![]() = ![]() | (3) + + +![]() = +1=1 ![]() |
(4)1- -![]() = -![]() = ![]() | (5)8- -![]() =8-1 =7 | (6) - +![]() = +![]() = ![]() |
(7) -( + )= -![]() = ![]() | (8) - +![]() =1- ![]() = ![]() | (9) -( - )= -![]() = ![]() |