①5.33333 ②0.4444… ③0.090909…
④3.1415926… ⑤ ⑥
①3.02×(2.52÷1.2)
②0.625÷1.25×8
③(1.7×0.8-0.1)÷0.3
④16.8×101–16.8
0.24×5= 0.72÷12= 0.8×12.5= 1÷0.25=
13.8×0= 0.81÷0.9= a-0.36a= 25×4÷25×4=
213+199= 52-0.8= 12.5××0.08= 101×45=