①8.9060=
②203.4600=
③0.0074000=
④0.807060=
⑤6.060600=
⑥9.400000=
7×20=
90×80=
26×3=
120×5=
1600÷400=
560÷70=
840÷40=
3000÷60=
803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =