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People's Education Press, grade four, the second volume of mathematics textbook, page 5.7, make an answer, hurry, hurry! ! ! ! ! ! ! ! ! !
Page 5 Question 1

98-46+25

=52+25

=77 (Ben)

the second question

48×3= 144 (yuan)

The first question on page 7

( 1)√

(2)×

(3)×

the second question

30÷6+2

=5+2=7 (yuan)

How much does it cost to visit the art exhibition?

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