估计下面的得数是几十或几百多
358÷6______多
543÷2______多.
358÷6≈300÷6=50;
543÷2≈540÷2=270;
故答案为:50,270.
Be careful to look left and right before you go _____ the road. [ ]
A. across
B. will cross
C. cross
D. crossing
车身修理后,要求尺寸公差是()。
A、±3mm
B、士4mm
C、士2mm
D、士5mm