0.8×6.4×1.25
201×0.45-0.45
57.9-57.9×0.3
0.63÷0.9=
60×0.5=
1÷0.25=
4.5×8=
2.2×0.3=
7.2÷10=
0.51×100=
0.42÷0.07=
(2.1+0.7)÷0.35
7.52÷0.4÷2.5
9.55+6.3÷7×0.5
①6.17×3.6+6.17×6.4
②0.25×0.39×4
③4.7×102-47×0.2
④9.07-8.5+3.4
⑤15.6+18.9÷1.4
⑥3.79+0.125÷0.8
点D表示的数是-1.25,请在直线上画出点D。