=3.2×7/4+2
=5.6+2
=7.6
3×7/8+3×7/8.
=3/8×(4/7+3/7)
=3/8× 1
=3/8
65438+6×7 inches 9+65438+6÷7 inches 9.
=6/ 19×(6/7+ 1/7)
=6/ 19× 1
=6/ 19
5×8×x=5 (solving equation)
5x=5
x= 1
1. Use1.58m long iron wire to make a rectangle with a length of 4m 25. How many meters wide is it?
8/ 15÷2-4/25
=4/ 15-4/25
= 8/75m
2.54 3/5cm many sheets of paper do you need to stack with a thickness of 3/5 cm, and how many sheets of paper do you need to stack with a thickness of 8/9 cm?
54×(8/9÷3/5)
=54×40/27
=80 sheets