冰化成水体积要减少10%.把2升水放进冰箱,结成冰后的体积是( ) A.2÷(1+10%) B.2×(1+10%) C.2÷(1-10%) D.2×(1-10%)
问题描述:
冰化成水体积要减少10%.把2升水放进冰箱,结成冰后的体积是( )
A. 2÷(1+10%)
B. 2×(1+10%)
C. 2÷(1-10%)
D. 2×(1-10%)
答
2÷(1-10%);
故选:C.