无
*注意事项:
× ÷ × ×10%
+ × = ×75%= - = ÷8= 15× =
2- = 1.8× = 10÷10%= 0.32= ÷ =
① ×101-
② ×(5- )
③ ÷7+ ×
④( - )÷
⑤39×
⑥2- ÷ -
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