某小区新增住户2%,每家住户用电量比上年提高了 5%,则该小区用电量总额增长()A.7% B.7.1% C.10% D.11.1%

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问题 某小区新增住户2%,每家住户用电量比上年提高了 5%,则该小区用电量总额增长()

选项 A.7%
B.7.1%
C.10%
D.11.1%

答案B

解析
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