Make X!?~Make X with 4 numbers

-Contents-
●Make X
A game to make "X" from 4 numbers.
You can also set up a question policy.
・Can be randomized or fixed "X"
・Can be set whether or not to submit questions of "No Solution"

●Solution Search
You can search the list of answers by entering 4 numbers.

-Feature-
◆Only four arithmetic operations are used. Everyone can enjoy it.
◆It'll give you math skills you won't learn in school!
◆A hundred times the normal make10's questions pattern!

Have a great time!