7.8×0.1= 6.4÷0.2= 1.25×0.8= 35÷4=
0.21÷0.3= 7×0.9= 0.36÷0.09= 1.2×0.5=
3.5×20= 4.3÷10= 0.8×0.7= 32÷0.8=
0.28×0.15 * 8.93÷1.9 △3.92÷3.7