A-A+
口算下面各题.38÷2=1200÷200=46×39≈61×61≈560÷70=46×3=2
问题详情
38÷2=
参考答案
38÷2=191200÷200=646×39≈200061×61≈3600560÷70=846×3=138210÷29≈749×21≈10004100÷100=41150-27=123356÷50≈72500÷499≈531×20=620640÷32=20439÷20≈22281÷71≈4
考点:口算
38÷2=191200÷200=646×39≈200061×61≈3600560÷70=846×3=138210÷29≈749×21≈10004100÷100=41150-27=123356÷50≈72500÷499≈531×20=620640÷32=20439÷20≈22281÷71≈4