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  395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77

  395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77﹚,

1回答
2020-01-27 00:32
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杜彦芬

  395+2508+115

  =395+115+2508

  =510+2508

  =3018

  1382-82×15

  =1382-1230

  =152

  688-112-88

  =688-(112+88)

  =688-200

  =488

  153÷153+219×3

  =1+657

  =658

  ﹙567-567﹚÷90

  =0÷90

  =0

  451+549÷3-95

  =451+183-95

  =539

  1000-645-345

  =1000-(645+345)

  =1000-990

  =10

  125+75×180

  =125+13500

  =13625

  540-240÷12

  =540-20

  =520

  246÷9×6

  =246×6÷9

  =1476÷9

  =164

  680-202+98

  =680-200-2+100-2

  =580-4

  =576

  234×98÷49

  =234×2

  =468

  18×13×150

  =18×150×13

  =2700×13

  =35100

  630×33÷21

  =630÷21×33

  =30×33

  =990

  2236÷13÷43

  =172÷43

  =4

  6300÷2÷63

  =6300÷63÷2

  =100÷2

  =50

  888-﹙88+77﹚

  =888-88-77

  =800-77

  =723

2020-01-27 00:35:33

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