9.496精确到百分位是9.50. .
我会填.(1)== ;(2)=﹣= .
在横线里填上合适的数.(1)+ =(2)+ =1(3)﹣ =(4) ﹣=0.
看图写算式.(1) + + = . × = (2) + = = . × = = (3) + + + = . × = .
+=+= . (判断对错)
﹣= 想: 个减去 个得 个,就是 .