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The fifth grade of primary school, the second volume of mathematics, Chinese questions! Calculate formula! Hurry up!
Mathematics (1)48÷2=24 (product of length and width) 99÷3=33 (product of length and width) 352÷4=88 (product of length and width) 24×33×88=69696 (product of length, width and height is square) 6966.

(2) ab/u h/ab

(3)X+ 1/2X+ 1/3X=33, * * * has 18 people.

(4)。 . .

Chinese

Poetry in prose

The enemy must be defeated by us.

If I get it right, let's make it the best!