158÷40= ☆13.65÷7.5=
10.5×8.4 1.33÷0.38 16.8÷40
31.5×0.931.5 5.42÷0.95.42 0.98×10.98
2.5×0.82.5÷0.8 3.56÷1.013.56 4.95÷14.95