直接写数对又快: (1)47.23-(7.23+5.89)= | (2)--= | (3)12.5×8.8÷11= | (4)(+)×12= |
(5)×+40%×= | (6)÷5+5÷= | (7)99+999+9999+99999= | (8)×+1.25×+125%= |
直接写出下面各题的得数. 25×4=________ | 4.2+3.8=________ | 35×20=________ | 5.7-3.5=________ |
50×80=________ | 6.1-5.8=________ | 2.4+0.8=________ | 14×70=________ |
-=________ | +=________ | 1-=________ | +=________. |
直接写出得数.
510-240= | 0.34+1.6= | 64÷0.4= | += | 0.32= |
-= | ×= | 12÷= | 8.24÷4= | 1÷-÷1= |