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题型:脱式计算 题类:常考题 难易度:普通

西师大版数学四年级下学期 第一单元 四则混合运算 同步训练(3)

脱式计算。                                                  
(1)、630-(21-12)×16                                                        
(2)、(420-42×7)÷63                                                             
(3)、530+54×4÷24                                                                     
(4)、186-900÷(100-25)                                                      
(5)、(630÷18-23)×250                                                 
(6)、168-48×16÷32                                                 
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