19.2÷1.2﹣1.25×4.6 36.25﹣8.46+3.75﹣11.54
60%××4.5+0.6×5
24×5= + = 4﹣1.6= 3.14×32=
25×4+25×4= 0+ = +7= × =
2.7+5.4= ﹣ × =
①12.5﹣3.6+7.5﹣5.4
②54×60%+46×
③( - )× (在横线上填数,可以进行简便计算)
99×1.89 ×+÷9 1.25×0.4×8×2.5