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)
2.6+1.34= 4÷0.5= 12×70= 510﹣270= 30%×60=
-= 56÷= ×25%= 28+69= 1598÷4≈
0×5.16= 9.8+2.6= 502-399=
÷4= × = 20×5=
①4.82﹣5.2÷0.8×0.6
② ÷[ ×( - )]
③78.53﹣(8.53﹣6.94)
④( + - )÷
⑤53.5×5.8+0.42×535
⑥0.72- +2.28-