(2) Divide the 54 students in the class into 6 groups, with the number of students in each group being 1 and the number of students in each group being 1.

(3) Connect 3/4, 0.6, 2/3 and 0.705 with greater than sign.

Three quarters > 0.705 & gt Two thirds > 0.6

(4) A rope is cut into two sections, the first section is 3/5 meters long, and the second section accounts for 3/5 of the total length. Compare two pieces of rope (b).

A, the first section b and the second section c have the same length.

(5) Subtract a number from the difference between 7/8 and 1 to get 7/06 of 65438. What's this number?

(7/8- 1/4)-7/ 16=3/ 16

(6)23+ totally 28 (14+ 13+2+7)

= 23 out of 28+26 out of 28+8 out of 28

=28 (23+26+8)

= 57 out of 28

3-(3/4-2/5)

= 3-(65438 divided by 20+05-8 divided by 20)

= 3-7 out of 20.

= 53/20

(7) After replacing the old faucets with new water-saving faucets, bright primary school saves 2 tons of water every week, and how many tons of water is saved on average every day?

Average daily = 2/7 = 2/7 tons.