25×24= 910﹣570= 6.3÷0.9=
+ = + = ÷0.1=
0.25 0.04
453+198=
10﹣0.03=
0.1÷0.01=
4×0.025=
4.5﹣0.75﹣0.25=
5×4÷5×4=
解答:。
2÷9.9=
3÷9.9=
6÷9.9=
7÷ 9.9=
37.037×12=
88.83÷9=
88.884÷9=
=
88.88886÷=
88.888887÷=
6.3÷0.1= 14.14÷14= 8.5-1.05= 1.2: =
1+ = 632÷69≈ 0.33= =
31.5×0.931.5 5.42÷0.95.42 0.98×10.98
2.5×0.82.5÷0.8 3.56÷1.013.56 4.95÷14.95