10÷7
怎么计算六年级这题练习题7÷7/10-7/10÷7
计算:9^20÷27^10÷3^7
10^4×10^0÷10^-2等于?(1/2)^0÷(-1/7)^-1.等于?
9080.36 3.5+2.8 0.8÷0.001 60÷50 39*0.7 7÷0.001 10-0.81
(2980+5/6+7/8+7/10)÷(5/6+7/8+7/10)
简便计算:(2890+5/6+7/8+7/10)÷(5/6+7/8+7/10)
1÷2/1÷3/2÷4/3÷5/4÷6/5÷7/6÷8/7÷9/8÷10/9简便算法
1÷2/1÷3/2÷4/3÷5/4÷6/5÷7/6÷8/7÷9/8÷10/9=?
1/2x÷1/5=10 x÷6/7=7/5
用简便方法计算 210÷7÷3 1000÷10÷100 47×19+47×81
[(10.75-4 11/12)×2 7/11]÷[(1.25+1/12)÷(2.25÷10 10/11)]
[(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)]