计算下面各题,能简算的要简算。
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(1)原式= + +![]() = +![]() =1 ![]() | (2)原式= + -![]() =1- ![]() = ![]() | (3)原式= -( - )= -![]() = ![]() |
(4)原式= +( - )= +![]() =1 ![]() | (5)原式= - -![]() = -![]() = ![]() | (6)原式= + -![]() =1- ![]() = ![]() |
编辑:chaxungu时间:2026-04-27 14:01:23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 ![]() | (2)原式= + -![]() =1- ![]() = ![]() | (3)原式= -( - )= -![]() = ![]() |
(4)原式= +( - )= +![]() =1 ![]() | (5)原式= - -![]() = -![]() = ![]() | (6)原式= + -![]() =1- ![]() = ![]() |