5﹣0.97=
2.5×60%=
=
9﹣0.99= 24÷=
2022÷2021= -=
①12.7﹣3.6﹣5.4
②
③
④
88+8.8= 90÷5= 0.1÷0.2= 0.12×0.8= 0.3²=
÷10= ×0.25= - = + = ×7÷ ×7=