竖式计算.
口算,直接写出结果.(1)×= (2) ÷6= (3)×3= (4)×4= (5)×=(6)×= (7)3×6= (8) = (9)6×= (10) =8.
×4= .
+++= × = = × = .
直接写得数.×40= = == = 18×8×= ×0×= =
直接写得数.×0= ×= ×12= ×= 45×=9×= ×= ×100= 18×= ×=+= 18×= ×= 1×= ﹣=×21= ×= ×6= × ×9=×= 2﹣=