【實用教育app】Multiplication Tricks|最夯免費app-綠色工廠好玩App

HAVE YOU EVER BEEN IN A SITUATION WHERE YOU WERE ONE OF THE LAST ONES TO FINISH A SIMPLE MULTIPLICATION??DID YOU TRY ANOTHER APP AND DISCOVERED THAT IT WAS FULL OF INFORMATION AND STEPS SUITABLE FOR A UNIVERSITY LEVEL!?BRAIN BLAST IS HERE TO SOLVE YOUR PROBLEMS!!EIGHT SIMPLE RULES THAT WILL MAKE ANYONE WHO WILL MASTER THEM, A MULTIPLICATION STAR!!!ONLY 8 RULES!!!READY FOR CHALLENGE???