赚现金
计算: 8 3 + | - 6 | - 2 2 .
计算: ( 3 . 14 ﹣ π ) 0 - 27 + | 1 - 3 | + 4 sin 60 ° .
计算: 9 - 1 = .
计算: ( 2021 − π ) 0 − | 3 − 12 | + 4 cos 30 ° − ( 1 4 ) − 1 .
计算: | - 2 | - 2 sin 45 ° + ( 1 - 3 ) 0 + 2 × 8 .
下列计算正确的是 ( )
2 + 3 = 5
( − 3 ) 2 = ± 3
a ⋅ a − 1 = 1 ( a ≠ 0 )
( − 3 a 2 b 2 ) 2 = − 6 a 4 b 4
计算: ( - 1 ) 2021 + | - 2 | + 4 sin 30 ° - ( 8 3 - π ) 0 .
计算 | 2 - 2 | + 2 sin 45 ° - ( - 1 ) 2 .
计算: | 1 - 2 | + ( 1 2 ) - 1 + 2 cos 45 ° + ( - 1 ) 0 = .
计算: 25 - | - 7 | + ( 2 - 3 ) 0 .
计算: ( 1 2 ) - 1 - | 3 - 2 | = .
计算: 9 + ( 1 2 ) 0 - | - 3 | + 2 cos 60 ° .
计算: ( 1 2 ) − 1 + ( π − 3 ) 0 − 2 cos 30 ° + | 3 − 12 | .
计算: 2021 0 + 3 - 1 ⋅ 9 - 2 sin 45 ° .
计算: | 3 - 1 | + ( π - 2021 ) 0 = .
试题篮