用四舍五入法凑整 (1)9.36元≈______元 | (2)5.69元≈______元 | (3)298.38元≈______元 | (4)37.62元≈______元 | (5)5599kg≈______t | (6)36018kg≈______t | (7)3099kg≈______t | (8)599g≈______kg | (9)9603g≈______kg | (10)8800g≈______kg | (11)603mL≈______L | (12)6298mL≈______L | (13)1203mL≈______L | (14)5780mL≈______L | (15)6km2600000m2≈______km2 | (16)30km2690000m2≈______km2 | (17)67km2500000m2≈______km2 | (18)73km2900m2≈______km2. |
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