摘要:34+30+9 = 18-9-3= 46-8+7= 26-3+8= 86+6-52= 73+20-60=
网址:http://m.1010jiajiao.com/timu3_id_578931[举报]
速算小能手.
25×4= 6.5-4.5= 5+6.3= 70×40=
1-0.4= 30×9= 32×6= 8.6-3.4=
25×12= 1+0.1= 10-3.5= 24×20=
网址:http://m.1010jiajiao.com/timu3_id_578931[举报]
速算小能手.
25×4= 6.5-4.5= 5+6.3= 70×40=
1-0.4= 30×9= 32×6= 8.6-3.4=
25×12= 1+0.1= 10-3.5= 24×20=