5.4+1.6=
1-0.72=
4.25×10=
0.78+2.2=
10-6.6=
0.3×0.12=
46÷100=
1.4×4=
10.7-1.72= 0.28×5.6= 350×0.24=
2.58+3.95= 107-10.7= 46×0.18= 0.64×1.7=
8.35×0.58= 3.05×240= 10.3-7.89=
5.8﹣4=
3.8+0.12=
3.1×0.03=
0.25+0.75=
1.9×30=
1.25×8=
0.8×5×6=
52=
①6.43-0.4=
②3.6+4.2=
③8-3.2=
④6-0.03=
⑤31.6-1.32=
⑥5.2+3.06=
⑦0.6×4=
⑧0.5×1.3=
⑨0.42×3=
⑩0.08×5=
⑪5.07×10=
⑫2.6×0.5=
0.2+0.98=
10﹣0.94=
25×17×4=
490÷5÷2=
3.9+4.4+6.1=
20﹣20÷5=
0.87-0.6=。
2×0.6=。
6.2+0.04=。
0.8×0.5=。