西师版小学数学七册第一单元练习题(四则混合运算)
<p>一、计算下面各题</p><p>90×12-800 252÷4+37 86×25+2023</p><p>= = =</p><p>= = =</p><p>468÷6+278 145×28+107 905×32-2023</p><p>= = =</p><p>= = =</p><p>200-15×8 200+16×7 200-150÷5</p><p>= = =</p><p>= = =</p><p>900+105×8 2023-595÷7 396-25×6</p><p>= = =</p><p>= = =</p><p>(200-15)×8 ( 200+16)×7 (200-150)÷5</p><p>= = =</p><p>= = =</p><p>(900+105)×8 (2023-2023)÷7 (396-36)×6</p><p>= = =</p><p>= = =</p><p>90×(12-8 ) 405÷(4+5) 86×(25+2023)</p><p>= = =</p><p>= = =</p><p>468÷(569-563) 145×(28+107) 905×(32-18)</p><p>= = =</p><p>= = =</p><p>85+125+508 2023-85-627 824+631-31</p><p>= = =</p><p>= = =</p><p>285-25+508 2023÷5×36 24×31×56</p><p>= = =</p><p>= = =</p><p>441÷7÷9 82×14÷4 824÷2×6</p><p>= = =</p><p>= = =</p>
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