①(-3)*(-5/6)*(-9/5)*1/4 ② 5/12 - 8/15 * 1/4 *(-3/2) ③(-5)* 8
求大神帮我.①(-8)+10+2+(-1) ②5+(-6)+3+9+(-4)+(-7
①1/(-16)-(-4.2)*(-1)②-3.5/7分之8*(-3分之4)③(-16分之9)/(-3分之2)*(-5分
简算:①1/2+1/3-1/2+1/3 ②4/9+4/9*3/8 ③3/8*6/7*5/12
(1)4 6 3 (2)6 9 4 (3)5 8 4 (4)10 15 6
①0.2+2/5×(5\6-0.75) ②36×(7/9-1/4+13/18)×6/45 ③0.75×5/6-1/3+0
①(-4分之3)×8②(-3又2分之1)×(-2又3分之1)③(-3又3分之2)÷(5又2分之1)④8-4分之3×(-4
(1/3/12+2/6/24+3/9/36+4/12/48)/(2/3/5+4/6/10+6/9/15+8/12/20)
计算下面各题能简算的要简算 5/6-1/2+1/4 5/12+3/4-5/8 4/5-(3/10+1/6) 5/9+7/
(14/5+4/1-7/5)*28 4-4*8/3-8/1 30*(15/4+5/3+10/7) (12/5+4/3-6
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
看数字,猜成语.0 1 2 3 4 5 6 8 9( ) 0 2 4 6 8 10 12( ) 1 2 3 4 5( )
简算 ①9/10+﹙2/7+1/10﹚ ②5/3-﹙5/13+2/3﹚ ③3/4-7/15-8/15+1/4