7.3+0.27=
1.6×0.8=
10÷0.1=
7.01-4.58=
8×0.25=
0.47-0.4=
3.6÷0.6=
8×1.25=
0.56÷0.7=
13.3-4.25=
0.9×0.5=
35÷3.5×0.1=
①7.8×6.9+2.2×6.9
②4.7×10.2
③2.5×0.87×4
④8×(20-1.25)
⑤4.2×1.5-2.74