简便运算:0.825*625+0.375*825
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简便运算:0.825*625+0.375*825简便运算:0.825*625+0.375*825简便运算:0.825*625+0.375*8250.825*625+0.375*825=0.825*62
简便运算:0.825*625+0.375*825
简便运算:0.825*625+0.375*825
简便运算:0.825*625+0.375*825
0.825*625+0.375*825
=0.825*625+375*0.825
=0.825*(625+375)
=0.825*1000
=825