一个长6分米,宽4分米,高10分米的长方体,里面放有一个底面积为18平方分米的圆锥体物件,在长方体容器内盛满水,再把物件拿出来后,水面高度是8分米,圆锥体物件的长度是多少分米?
直接写出得数
43= 2
=
=
12.3×456÷123= 10.1×99﹣9.9= 2.7×0.25×0.4=
5.7+11.8+4.3= 4=
什么数的比1
除45的商多15?
×
×
= ;
×
= ;
×
×
= ;
×
×
= ;
108×= ;
×
= ;
×
= ;
×120= ;
×
= ;
×
= ;
+
= ;
×
= ;
4×
= ; 2
×
= ; 3
×
×1
= ; 3
×4×
= ;
2×3
×
= ;
×
×
= ; 2
×12= ; 3
×14= ;
5×4= ; 7
×2= ; 3
×4= ; 7×3
= ;
×12
= ;
×6
= ;(
﹣
)×50= ;(
+
)×12= ;
÷
=
÷12= ;
÷
= ; 1÷
= ;
5÷= ;
÷21= ;
÷
= ;
÷
= ;
÷
= ;
÷
= ;
×
= ;
÷5= .
直接写得数:
9.9÷1= 20×1
= 0.36÷
=
﹣
=
÷2= 3
﹣3.05= 1÷
﹣
÷1= 0.5+1
=
÷4=
×12= 6÷
= 27×
=
÷
=
×
= 1÷
=
×
=
÷16
×
=
÷
= 14÷
=