①132÷(35﹣23)
②(6.5﹣4×0.75)÷5
③ ÷( + )×
④ ×73+0.25×26+25%
56×10%= 3.2+1.78= ﹣= 0.72÷0.6=
1.25×8= 4÷= ×= ×6÷×6=
5400﹣2940÷28×27 ×-0.75×12
(++)÷(++) 17.5+17.5÷(-0.06)
-+-+-+
300÷12=25(米)他是先求:
36×25=900(平方米)再求:
204﹣78= 120×7= 960÷6=
3.8﹣2.98= + = ÷ =