32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝ 4.9×0.7＝

1÷5＝ 6÷12＝ 0.87－0.49＝ 45÷0.5=

123+25= 123-35= 56×7= 135÷5=

248+89= 146-23= 155×5=7 456-12=

456+45= 5546-457= 45×10= 564-12= 879+54= 896-546= 56×2= 457+456=

9.85＋1.07= 9.5＋28.9 = 0.24×3.5= 20×0.4= 1.25×2.4= 1111×0.3 = 3.21+5.79= 3.2×4=

31.5×4 = 0.04×25= 7.8+2.2 = 2÷2.5= 2.5÷2 = 1.8×0.9= 705-6 = 24÷2.4= 2.5×0.8= 10－6.76= 5.67×0.2= 0.4×0.25 =

1.8×0.9= 0.75×102= 100-56.23= 0.78+5.436=

3.2×4= 0.64×25= 24÷2.4= 2.5×0.8= 9.4×0.3= 0.17+0.06= 0.79×2= 0.5×8.1= 4.5×0.6= 6.5×0.9= 1.02-0.09= 0.06×1.9= 0.14×7= 3.9×70= 0.8×5= 0.83+0.6=

1.6×0.7= 2.8×0.3= 0.8×9.7= 9.4×5= 0.98-0.09= 90×0.1= 0.2×7.5= 0.04×2.5=