2x+4=64
Solution: x=30
30+4=34
Class 606 needs to bring 34 pots of flowers.
2, if you don't consider the decimal point, a * * * has six arrangements, and then add the decimal point.
The decimal point can be placed in two places: after the first number and after the second number.
6×2= 12
Remove the two decimal places with zero at the end, 12-2= 10.
A: It can form 10 different decimals.