3.2÷0.8=
7.2÷0.9=
3.2+5.8﹣0.7=
0×1.25×8=
910÷70=
36×25%=
0.5×0.5÷0.5=
1.03﹣0.44=
3.2÷0.8=4
7.2÷0.9=8
3.2+5.8﹣0.7=8.3
从一个不透明的口袋中找出红球的概率为15,已知袋中红球有3个,则袋中共有球的个数为( )
I still remember my happy childhood when my mother ________ take me to Disneyland at weekends.