小學(xué)四年級(jí)數(shù)學(xué)上冊(cè)四則混合運(yùn)算練習(xí)題

字號(hào):

一、計(jì)算下面各題
    90×12-800     252÷4+37      86×25+1850
    =           =           =
    =           =           =
    468÷6+278     145×28+107     905×32-1800
    =          =         =
    =          =         =
    200-15×8      200+16×7      200-150÷5
    =          =         =
    =          =         =
    900+105×8     3250-595÷7     396-25×6
    =          =         =
    =         =         =
    (200-15)×8   ( 200+16)×7   (200-150)÷5
    =        =         =
    =        =         =
    (900+105)×8  (3250-1150)÷7   (396-36)×6
    =        =         =
    =        =         =
    90×(12-8 )   405÷(4+5)     86×(25+1850)
    =        =        =
    =        =        =
    468÷(569-563)  145×(28+107)  905×(32-18)
    =         =        =
    =         =        =
    85+125+508    7805-85-627  824+631-31
    =         =        =
    =         =        =
    285-25+508    6205÷5×36   24×31×56
    =         =        =
    =         =        =
    441÷7÷9     82×14÷4    824÷2×6
    =         =        =
    =         =        =