来自贾晓洪的问题
直接写出得数.1322-199=______;1.87+5.3=______;2-2÷5=______;(57+38)×56=______;10÷110×10=______;603×39≈______;4950÷51≈______;1919:13=13;42÷(12+23)=______;3.2×1.25×0.25=______
直接写出得数.
1322-199=______;
1.87+5.3=______;2-2÷5=______;(57+38)×56=______;10÷110×10=______;603×39≈______;4950÷51≈______;19
19
:13=13;42÷(12+23)=______;3.2×1.25×0.25=______.
1回答
2020-05-06 13:51