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,1020,0.96,36,863,62.7,23000,练 习 八,11.76dm3=11760cm3 11760(2820) =11760560 =21(cm) 2118 答:可以装得下。,(100454.5455352)50 =(2025015750)50 =3600050 =1800000(cm3)=1.8 (方) 答:做这些凳子至少用了混凝土1.8方。,6m =600cm 2.7m=270 cm (6002706)(333) =97200027 =36000(块) 答:这面墙一共用了36000块积木。,38dm =3.8m 7.6(53.8) =7.619 =0.4(m) 答:可以铺0.4米厚。,60cm =0.6m 60.6=3.6(m2) 60.661.520.61.52 =3.6181.8 =23.4(m2),V=abh =60.61.5 =5.4(m3) 答:这个水族箱占地面积有3.6m2,需要用23.4m2的玻璃,它的体积是5.4立方米。,(654) 412 =15412 =6012 =5(dm) 654=120(dm3) 555=125(dm3),答:最多可以放5盒,横着放3盒,另在旁边放2盒。,
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