①24×105+576÷18
②(9.88+0.24÷2)×7.6
③
④72÷[1﹣()]
500-213= 10÷10%= 0.25+2.83= 1.25×0.8= 3.7-3.7÷3.7=
92-33= + = × = 9÷ = ( - )×20=
0×5.16= 9.8+2.6= 502-399=
÷4= × = 20×5=
①180-60÷12×24
②18-
③1.25×3.2×250
④
⑤24×()
⑥
+3.2++6.8 906×99+906 0.25×+×
8.7+30.75÷2.5 (2.6+4.8)×(2.6﹣2.1) (+×)÷
0.56÷0.8= = = =
5×( )= 30×= 0.53= 3﹣=