赚现金
计算: ( 1 3 ) - 1 + ( 2 3 - 1 ) 0 - 4 .
计算: ( π - 1 ) 0 + 8 - 4 sin 45 ° .
计算: 4 + | - 2 | - 3 2 .
计算: 8 3 + | - 6 | - 2 2 .
计算: 4 - ( - 1 ) 2 - ( π - 1 ) 0 + 2 - 1 .
计算: | - 2 | + 3 sin 60 ° - 2 - 1 .
计算: | - 2 | - 2 sin 45 ° + ( 1 - 3 ) 0 + 2 × 8 .
计算: ( - 1 ) 2021 + | 2 - 2 | - 2 cos 60 ° + 8 .
计算: ( - 1 ) 2021 + | - 2 | + 4 sin 30 ° - ( 8 3 - π ) 0 .
计算: ( 2021 - π ) 0 - | 3 - 2 | - tan 60 ° .
计算: ( 3 - π ) 0 - 12 + ( 1 3 ) - 2 + 4 sin 60 ° - ( - 1 ) .
计算: | 1 - 3 | - 2 sin 60 ° + ( π - 1 ) 0 .
计算 | 2 - 2 | + 2 sin 45 ° - ( - 1 ) 2 .
(1)计算: 3 - 1 - 1 9 + ( 3 - 3 ) 0 ;
(2)化简: ( 1 - 1 x ) ÷ 2 x - 2 x 2 .
计算: 16 + ( 4 - π ) 0 + ( - 1 ) - 1 - 6 sin 30 ° .
试题篮