1.3-0.7= 0.49+0.16= 29+59= 12+12= 58-38= 56-16= 10÷2.5= 35÷0.5= 0.6×8= 1.7×0.7= 9×0.6= 9.9×5= 7.4×0.3= 7.7×2= 9.9×0.4= 5×0.2= 8.5×5= 9.1×9= 5.6×0.5= 5×8= 3.1×0.4= 6.8×8= 1.9×0.2= 25+15=