直接写得数．
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=
直接写得数．
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=
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