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西师版小学数学七册第一单元练习题(四则混合运算)

时间:2023-02-13 08:38:41

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西师版小学数学七册第一单元练习题(四则混合运算)

一、计算下面各题

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

= = =

= = =

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