题目内容
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%) |
2÷(1-10%);
故选:C.
故选:C.
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题目内容
| A.2÷(1+10%) | B.2×(1+10%) | C.2÷(1-10%) | D.2×(1-10%) |