计算:5×4+4= × = 6×6﹣6= × = 7+5×7= × = 9×4﹣9= × = .
下面的计算对吗?把不对的改正过来.
6.35的1.15倍是多少?
列竖式计算5×2.02= 56.7×1.2=
我会口算.0.4×6= 0.08×7= 1.5×3=0.638×100= 1.22×3= 4.07×10=0.1×48= 243×0.01= 0.5×8=0.5×15= 12.5×8= 0×4.2=
涂一涂,填一填. 0.5×3= 8×0.04= .