1288除以28+52乘以362 17/1*15-(5 23/21+5 17/15)要过程

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1288除以28+52乘以36217/1*15-(523/21+517/15)要过程1288除以28+52乘以36217/1*15-(523/21+517/15)要过程1288除以28+52乘以362

1288除以28+52乘以362 17/1*15-(5 23/21+5 17/15)要过程
1288除以28+52乘以36
2 17/1*15-(5 23/21+5 17/15)要过程

1288除以28+52乘以362 17/1*15-(5 23/21+5 17/15)要过程
1288除以28+52乘以36
=46*28/28+(50+2)*36
=46+72+1800
=118+1800
=1918
17/1*15-(5 23/21+5 17/15)
=17/15-(10+23/21+17/15)
=-10-23/21
=-11又2/21

1918