蚂蚁沿长方形玻璃槽口爬一圈,一共爬了多少分米?
(7.88+6.77+5.66)×(9.31+10.98+10)﹣(7.88+6.77+5.66+10)×(9.31+10.98)= .
10×+17×75%﹣7×0.75.
14﹣(12﹣18)= .
897×﹣37.5%+104×0.375= .
计算:16×76.1+41×7.61+201×2.39= .