木小蹬蹬民
Turn left at the farm and go straight to the third crossing,then you won't miss the hospital
木秀于森林
和sum,差difference,积product,商ratio1+2:One plus two.1-2:One minus two.1*2:One multiplied by two.1/2:One over two/One divided by two./:读作solidus或diagonal,÷读作obelus