(-0.33)/(3\1)/(-9)=
证明0.99...(9无限循环)比1大0.33...(3无限循环)是1/3,0.99...就是1/3乘3就是1.1=1证
(1) (-4½)-{3 2/5 -[(0.13)-(0.33)]}
2.12-(1.12+3×0.33)简便计算
(7/9+3/4+11/12)乘36+170/330+2.9/3.3+0.2/0.33
1×9+2=1112×9+3=111()×9+()=1111()×9+()=11111()×9+()=111111()×
比较大小 5分之4()7分之4 0.33()3分之1 100分之72()50分之
计算0.3+0.33循环= (写成分数)
0.3,0.33,0.3循环3,34%,3分之1,这五个数中,( )最大.( )最小.( )和( )相等
()÷36=1/3=9:()=12:()=24分之()
(7/9+3/4+11/12)×36+170÷330+2.9÷3.3+0.2÷0.33
1.在0.3,0.33,0.3(3循环),34%,3分之1这5个数中( )最大,( )最小,( )和( )相等.
下列三个数:a=0.33,b=30.3,c=log30.3的大小顺序是( )