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题型:计算题 题类:常考题 难易度:普通

西师大版数学四年级下学期 2.2 乘法运算律及简便运算(6)

简算。                                            
(1)、25×15×4                                         
(2)、50×69×2                                     
(3)、(43+43+43+43)×25                                                    
(4)、8×70×125×5                                           
(5)、25×32×125                                           
(6)、64×125                                           
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