7.65+0.87.65 10.23×0.9910.23 4.58÷2.34.58
9.8×59.8÷0.2 b×0.1b+0.1(b≠0) 0.25×0.92.5
1.25×8= 16×0.5= 0.72÷0.9= 360÷100=
0.3×1.5= 0.81÷0.3= 2.4×6= 3.2÷4÷0.8=
①12.5×3.2
②6.45×5.8-6.45×1.8
③0.25×99
④0.28÷0.7×1.5
⑤23.9×0.25×8
⑥7.6×10.1