Su ke printing plate ninth grade second volume mathematics - Training Enrollment Network

Su ke printing plate ninth grade second volume mathematics

The two sides of (1) are _26+2a and 39+2a respectively;

(2) If the circumference of this rectangular Bao Shu paper is 2 10/0cm, find the folded width (10cm).

Question 2:

The size is 44 cm? A 33cm rectangular Bao Shu paper is required to wrap this textbook with a width of 3cm. Is this Bao Shu paper enough?

39+2 * 3 = 45 > 44, so it is not enough.

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