列竖式计算.0.9÷0.12 (用乘法验算) &n...

2025-04-07 01:44:14
推荐回答(1个)
回答1:

(1)0.9÷0.12=7.5;

            
(2)30.9÷1.6=19.3125;

       
(2)38.4÷0.27=142.

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(4)15.3÷25=0.612;

                
(5)9.12÷3.8=2.4;

     
(6)22.1÷0.34=65;


(7)0.7÷2.1≈0.33;  

               
(8)32÷31≈1.032.