6/3 12/4 40/35 60/21 10/8 120/30 70/15 18/6 60/45 150/60一下那些
1个回答
二:12/4 10/8 120/30 18/6 150/60
五:40/35 120/30 70/15 60/45 150/60
相关问题
约分:24/30= 12/16= 4/8= 30/45= 40/60= 84/96= 105/120= 40/70= 1
找规律 3 5 2 15 6 15 8 30 12 45 32 60 24 { }{}120
解方程x-40%x=120 15x-30=150 60%x-35%x=12...
找最大公因数(15,3) (45,25) (30,75) (12,21) (24,18) (14,84) (60,40)
60x-18=18解方程,x-30%x=14.35 120%x-70%x=12.4+5.
脑袋迟钝了,、70*4= ,90*3=,5*80,30*10,15*70,40*20,60*70,32*40.18*50
40+5= 30+7= 50+8= 90+9= 80+6= 70+3= 20+8= 60+9= 30+6= 10+9=
找规律.(1)4,21,6,18,8,15,10,()(2)5,20,13,52,3,12,(),60.说出规律...
看谁算得又对又快20×6=40-18=12×4=3000+40=30×70=120×3=43+34=11×60=88-6
1,2,3,4,5,6,7,8,9,11,12,13,14,15,16,17,18,19,20,30,40,50,60,