计算下面各题,能简算的要简算。
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(1)原式=2-( + )=2-1 =1 | (2)原式= -![]() = ![]() | (3)原式= -![]() = ![]() |
(4)原式= +![]() =3 ![]() | (5)原式= + +( + )=1+4 =5 | (6)原式=5-( + )=5-1 = 4 |
编辑:chaxungu时间:2026-04-27 14:01:26分类:小学数学题库
计算下面各题,能简算的要简算。
|
(1)原式=2-( + )=2-1 =1 | (2)原式= -![]() = ![]() | (3)原式= -![]() = ![]() |
(4)原式= +![]() =3 ![]() | (5)原式= + +( + )=1+4 =5 | (6)原式=5-( + )=5-1 = 4 |