括号十六分之七加四分之三乘以九分之八括号乘以四十八

问题描述:

括号十六分之七加四分之三乘以九分之八括号乘以四十八

[(7/16)+(3/4)×(8/9)]×48
=[(7/16)+(2/3)]×48
=(7/16)×48+(2/3)×48
=21+32
=53.

[(7/16)+(3/4)×(8/9)]×48
=[(7/16)+(2/3)]×48
=21+32=53.