①(-3)²x[-3分之2+(-9分之5)]—(-6)²÷4②-1的六次方—(0.5—3分之2)²÷3分之1x[-2—(-3)³]-|8分之1—0.5²|③-250—(-49 24分之25)×(-5)
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![①(-3)²x[-3分之2+(-9分之5)]—(-6)²÷4②-1的六次方—(0.5—3分之2)²÷3分之1x[-2—(-3)³]-|8分之1—0.5²|③-250—(-49 24分之25)×(-5)](/uploads/image/z/10010342-38-2.jpg?t=%E2%91%A0%28-3%29%26%23178%3Bx%5B-3%E5%88%86%E4%B9%8B2%2B%28-9%E5%88%86%E4%B9%8B5%29%5D%E2%80%94%28-6%29%26%23178%3B%C3%B74%E2%91%A1-1%E7%9A%84%E5%85%AD%E6%AC%A1%E6%96%B9%E2%80%94%280.5%E2%80%943%E5%88%86%E4%B9%8B2%29%26%23178%3B%C3%B73%E5%88%86%E4%B9%8B1x%5B-2%E2%80%94%28-3%29%26%23179%3B%5D-%7C8%E5%88%86%E4%B9%8B1%E2%80%940.5%26%23178%3B%7C%E2%91%A2-250%E2%80%94%28-49+24%E5%88%86%E4%B9%8B25%29%C3%97%28-5%29)
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①(-3)²x[-3分之2+(-9分之5)]—(-6)²÷4②-1的六次方—(0.5—3分之2)²÷3分之1x[-2—(-3)³]-|8分之1—0.5²|③-250—(-49 24分之25)×(-5)
①(-3)²x[-3分之2+(-9分之5)]—(-6)²÷4
②-1的六次方—(0.5—3分之2)²÷3分之1x[-2—(-3)³]-|8分之1—0.5²|
③-250—(-49 24分之25)×(-5)
①(-3)²x[-3分之2+(-9分之5)]—(-6)²÷4②-1的六次方—(0.5—3分之2)²÷3分之1x[-2—(-3)³]-|8分之1—0.5²|③-250—(-49 24分之25)×(-5)
1、原式=9×(-11/9)-36÷4
=-11-9
=-20
2、原式=1-1/36÷1/3x25+1/8
=-13/12+1/8
=-108/96+12/96
=-1
3、原式=-250-(49x5 -24/5)
=5+24/5=49/5
1、原式=9×(-11/9)-36÷4
=-11-9
=-20