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$第8课时容积和容积单位 体积容积2.体积升毫升3.mLL 4.1000115.外内6.排水法7.20 20400平方厘米底面积600060006000 400151715224002800800 000.88.20003600304.23.67 2.8120000021001.1 、1.7×4×5=140(立方分米)=140升2.60× 30×(40-5)=63000(cm3)=63L3.48dm2= 4800cm24800×2=9600(cm3)4.6×2×(4. 5-4.4)÷8=0.15(dm3)