计算下面各题。
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(1)原式= + -![]() = -![]() = ![]() | (2)原式= (3+ - )= ×![]() = ![]() | (3)原式=1-( + + )=1- ![]() = ![]() |
(4)原式= + -![]() =2- ![]() =1 ![]() | (5)原式=6-( + )=6-1 =5 | (6)原式= - + +![]() = ![]() |
编辑:chaxungu时间:2026-04-27 14:04:49分类:小学数学题库
计算下面各题。
|
(1)原式= + -![]() = -![]() = ![]() | (2)原式= (3+ - )= ×![]() = ![]() | (3)原式=1-( + + )=1- ![]() = ![]() |
(4)原式= + -![]() =2- ![]() =1 ![]() | (5)原式=6-( + )=6-1 =5 | (6)原式= - + +![]() = ![]() |