计算下面各题。(能简算的要简算)
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(1)原式= + +( + )=1+1 =2 | (2)原式= -( + )= ![]() |
(3)原式= + -![]() = ![]() | (4)原式=2+![]() =2 ![]() |
(5)原式= -![]() = ![]() | (6)原式= + -( + )=0 |
编辑:chaxungu时间:2026-04-27 14:03:11分类:小学数学题库
计算下面各题。(能简算的要简算)
|
(1)原式= + +( + )=1+1 =2 | (2)原式= -( + )= ![]() |
(3)原式= + -![]() = ![]() | (4)原式=2+![]() =2 ![]() |
(5)原式= -![]() = ![]() | (6)原式= + -( + )=0 |