(1)120+290÷58*16 (2)5/6*11+5/6 (3)(2/3-2/5)*(1/8+1/12)
15/16÷(5/12÷5/8+3/8) 6/7-6/7×(2/3+1/9) 【1-(1-2/3÷
(3/8-5/6+11/12)÷1/24
1,3,2,6,5,7,( );1,8,2,7,( );16,96,12,10
5/11×[(2/5+1/3)÷5/6]=(要过程)
已知:1*6=1×2×3×4×5×6,6*6=6×7×8×9×10×11,计算(2*5)÷(6*6)?
5/6+2/9+7/18 11/12-(3/8-1/12) 2/3-1/4-1/6 7/11-1/5+8/11-4/5
(1)(-16-50+3又5分之2)÷(-2)(2)(-6)×8-(-2)³-(-4)²×5
8分之3-(2x-1)÷12<(3x+1)÷6-4分之5
算24点:(1)1 5 9 12 (2)1 6 10 13 (3)2 4 8 11(4)3 5 12 12
能简算的要简算 (1)8/75÷4/25+6/25×5/12 (2)20-1/4×2/5 (3)5/6×(7/10+4/
简算(1)20-1/4×2/5 5/6 (2) (7/16 4/5)÷3/5 (3
求不定积分 (1) (2) (3) (4) (5) (6) (7) ; (8) (9) (10) (11) (12)