Quantity A: The two-digit integer that equals twice the sum of its digitsQuanti

游客2024-01-12 36

问题 Quantity A: The two-digit integer that equals twice the sum of its digits
Quantity B: 14

选项 A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.

答案 A

解析 Quantity A的含义是：等于它自己数位之和的2倍的两位整数。则设Quantity A的个位数字是y，十位数字是x，得到10x+y=2(x+y)，可以将其化简为8x=y。因为z只能取1到9的整数，y只能取0到9的整数，所以，x只能取1，得出y=8。那么两位数

=18，大于14。所以答案为A选项。

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Quantity A: The two-digit integer that equals twice the sum of its digitsQuanti

Thewaypeopleholdtothebeliefthatafunfilled,painfreelifeequalsh

Whichofthefollowingisequaltothecubeofanon-integer?A、-64B、-1C、8D、9

Howmanydifferentpositiveintegersarefactorsof342?A、9B、11C、12D、20E、22

Ifthesumoffiveconsecutiveoddintegersis5,whichofthefollowingcouldb

Ifxandyareoddintegers,whichofthefollowingmustalwaysbeanon-integer

36Ifxisanintegerandy=4x+3,whichofthefollowingcannotbeadivisorof

Thesquarerootof800isbetweenwhichofthefollowingintegers?A、21and25B、

Whichofthefollowingcannotbethemedianoffivepositiveintegersa,b,c,d

Ifx,y,andzarepositiveintegersandx2=y2+z2,whichofthefollowingmustb

Whatisthesmallestpossiblecommonmultipleoftwointegerswhicharebothgre

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Withthousandsofyearsofhistoryandmythology【C1】______Athens--named【C

Tomtoldhisfather_______hadhappened.A、allwhichB、thatC、allthatD、allwhat

Somepessimisticexpertsfeelthattheautomobileisboundtofallintodisu

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属于学生享有的受教育权利的选项是（）。A.隐私权 B.获得公正评价权 C

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2002-35.柿蒂的性味是 A.苦平B.苦寒C.辛热D.辛凉E.甘温

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