四年级数学下册四则混合运算练习（一）125-25×4(135+75)÷(14×5)120-60÷5×51024÷16×3(135+415)÷5+161200-20×18720-720÷15(360-144)÷24×3240+480÷30×2225-10×(6+13)(120×2+120)÷9164-13×5+85330÷(65-50)128-6×8÷1664×(12+65÷13)19×96-962÷7410000-(59+66)×645940÷45×(798-616)(315×40-364)÷712520÷8×(121÷11)(2010-906)×(65+15)(20+120÷24)×8106×9-76×9117÷13+36×151四年级数学下册四则混合运算练习（二）3774÷37×(65+35)540-(148+47)÷13(308—308÷28)×11(10+120÷24)×5(238+7560÷90)÷1421×(230-192÷4)19×96-962÷7410000-(59+66)×645940÷45×(798-616)(315×40-364)÷7735×(700-400÷25)1520-(1070+28×2)9405-2940÷28×21920-1680÷40÷7690+7×52-398148+3328÷64-75360×24÷32+7302100-94+48×5451+(2304-2042)×234215+(4361-716)÷812(247+18)×27÷536-720÷(360÷18)四则混合运算练习（一）答案1-5253601921266-10840672272723511-154018422125108816-20181120002402417481721521-2488320200270549四则混合运算练习（二）答案1-510200525326775236-1038221811200024024174811-15502740394720091465616-20125100045986077426021-22143103
