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[题型归纳] 西师版小学数学七册第一单元练习题(四则混合运算)

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一、计算下面各题

90×12-800 252÷4+37 86×25+2023

= = =

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468÷6+278 145×28+107 905×32-2023

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200-15×8 200+16×7 200-150÷5

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900+105×8 2023-595÷7 396-25×6

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(200-15)×8 ( 200+16)×7 (200-150)÷5

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(900+105)×8 (2023-2023)÷7 (396-36)×6

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= = =

90×(12-8 ) 405÷(4+5) 86×(25+2023)

= = =

= = =

468÷(569-563) 145×(28+107) 905×(32-18)

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= = =

85+125+508 2023-85-627 824+631-31

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= = =

285-25+508 2023÷5×36 24×31×56

= = =

= = =

441÷7÷9 82×14÷4 824÷2×6

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= = =

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