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=
网友回答
解：7.8×0.1=0.786.4÷0.2=321.25×0.8=135÷4=8.750.21÷0.3=0.77×0.9=6.30.36÷0.09=41.2×0.5=0.63.5×20=704.3÷10=0.430.8×0.7=0.5632÷0.8=40
解析分析：根据小数乘除法的计算法则进行计算．
点评：本题主要考查了学生小数乘除法的计算能力，注意计算要细心．