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计算或化简:
(1) ( - 1 3 ) 0 + | 3 - 3 | + tan 60 ° .
(2) ( a + b ) ÷ ( 1 a + 1 b ) .
计算: ( 1 3 ) - 1 + ( 2 3 - 1 ) 0 - 4 .
计算:
(1) | - 1 2 | - ( - 2 ) 3 + sin 30 ° ;
(2) 4 a - a + 8 2 a .
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: 9 - 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: ( 2021 - π ) 0 + 1 2 + 1 + ( 1 2 ) - 1 - 2 cos 45 ° .
计算: ( 3 - π ) 0 - 12 + ( 1 3 ) - 2 + 4 sin 60 ° - ( - 1 ) .
试题篮