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The author' s primary purpose in writing this passage is toA.improve the teaching of mathe
The author' s primary purpose in writing this passage is to
A.improve the teaching of mathematics.
B.tell parents to pay more attention to the guidance of teachers in the matter.
C.help ensure that every child' s capacities are fully developed when leaving school.
D.urge the use of a much underused resource-the parent.
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