选择合理的方法进行计算. (1)+﹣ (2)﹣(+) (3)+﹣+ (4)4﹣(﹣) (5)﹣(﹣) (6)11﹣﹣
选择合理的方法进行计算。
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(1)![]() = ![]() = ![]() =1 ![]() | (2)![]() ![]() ![]() = ![]() ![]() = ![]() ![]() = ![]() | (3)![]() ![]() ![]() ![]() =( ![]() ![]() ![]() =1 |
(4)4﹣(![]() =4﹣( ![]() =4﹣ ![]() =3 ![]() | (5)![]() = ![]() ![]() =1 ![]() = ![]() | (6)11﹣![]() =11﹣( ![]() =11﹣1 =10 |


选择合理的方法进行计算。
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(1)![]() = ![]() = ![]() =1 ![]() | (2)![]() ![]() ![]() = ![]() ![]() = ![]() ![]() = ![]() | (3)![]() ![]() ![]() ![]() =( ![]() ![]() ![]() =1 |
(4)4﹣(![]() =4﹣( ![]() =4﹣ ![]() =3 ![]() | (5)![]() = ![]() ![]() =1 ![]() = ![]() | (6)11﹣![]() =11﹣( ![]() =11﹣1 =10 |