2.5÷0.5= 0.2×50= 3.5÷0.01= 0÷42= 1.3×3=
0.25×4= 12.5×0.8= 42÷0.6= 4.5×0.2= 2.5﹣2.5÷5=
①3.4×12.5×0.08
②42.6×0.8﹣21.5
③6.8×2.7+2.7×3.2
④1.29÷6.45×26
⑤36.7÷1.25÷8
⑥3.6+6.4×0.35
7.2×0.97.2 4.3×1.24.3
5.245.24÷0.7 9.65÷1.19.65