(45-35)÷45,
=15÷45,
=25%;
答:一个数的35比它的45少25%.
故选:A.
An exchange-for-physicals, as it pertains to futures contracts:()
A. is another term for delivering an asset to satisfy a futures contract.
B. is another term for accepting delivery of an asset to satisfy a futures contract.
C. involves an agreement off the floor of the exchange.
水是生命之源,水是由氢原予和氧原子组成的,其中氢原子的直径为0.0000000001m,把这个数值用科学记数法表示为 m.