小数乘分数简便算的计算题?

小学生简便计算的题：

0.45×2.5＝ 0.8×1.25＝ 0.3×3.6＝ 0.3×0.3＝ 10×0.07＝ 0.3×1.4＝ 0.05×7＝ 0.92×0.4＝ 0.2×0.26＝ 0.14×4＝ 0.02×0.1＝ 1.2×0.3＝0.2×0.4＝ 8.2＋1.8＝ 100－35.22＝ 2.3×4＝
2.5×0.4＝ 2.4×5＝ 0.22×4＝ 3.25×0＝
0.9－0.52＝ 3.99×1＝ 0×3.52＝ 12.5×8＝
8÷10 = 10-1.8-7.2= 0.43+3.57= 2.5×4×12=
0.9×0.8= 7.5x-3x = a+3a+7a== 1.05×100= 1÷0.5= 0.96÷3= 1.47÷0.7= 5.4÷6= 
0.16.5×10= 0.56×100= 3.78×100= 4÷0.8 =
3.215×100= 0.8×10= 4.08×100= 1.1×0.2 =
0.6×0.8 = 3×0.9= 2.5×0.4= 3.6×0.4=
12.5×8= 50×0.04= 80×0.3 = 1.1×9= 
0.16×5 ＝ 1.78＋2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 = 2.5×0.4 = 12－3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 = 3.9＋2.03＝ 4.2÷3.5＝
1.6+2.4×0.3 = 2.14－0.9＝ 27＋456＋73= 0.3×0.3=
7.2＋2.8＝ 0.9÷0.01＝ 12÷0.3= 2.87÷0.7＝
13÷4＝ 0.96÷0.3＝ 1.5×0.4＝ 7÷0.25＝ 2.5×0.7×0.8= 8－2.5＝ 16÷1.6＝ 5.6×1.01= 8×（2.5＋0.25）＝ 0.36＋0.64＝ 64.32÷16＝ 4.2÷0.1＝
72.8÷0.8＝ 8.4÷4.2＝ 13.8＋9.9＝ 2.4×2.5＝
0.05×0.8＝ 2.56－0.37＝ 1.25×0.8×0.5＝ 12×2.5＝ 1.23×3＝ 3.2÷1.6＝ 3.5＋3.5×3＝ 19.6÷2＝ 8.8÷2.2= 0.75×4＝ （1.5＋0.25）×4＝ 0.5×0.8=
8.4×0.2= 1.6×0.2＝ 7.2×0.3= 2.8×0.3＝ 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100= 
2.2÷0.11= 5.46＋4.54= 12.5×0.8= 0.35×0.3=
1.4×5= 2.8×4= 19.6÷4= 22.5×4=