(2又五分之二乘以37+24乘以二又二分之一-2.4乘以52)乘以(三分之一+十二分之一-0.375=?

(2又五分之二乘以37+24乘以二又二分之一-2.4乘以52)乘以(三分之一+十二分之一-0.375=?


(2又五分之二乘以37+24乘以二又二分之一-2.4乘以52)乘以(三分之一+十二分之一-0.375
=2.4×(37+25-52)×(5/12-3/8)
=2.4×10×24
=24×24
=576



按規律填數位一:4,1,6,3,8,5,10,(),12,()二:3,4,7,12,19,(),(),52


4,1,6,3,8,5,10,(7),12,(9)奇數4 6 8 10 12偶數1 3 5 7 93,4,7,12,19,(28),(39),52奇數3 7 19 39 4 12 20偶數4 12 28 52 8 16 24