
计算:(1)(-4)-(+13)+(-5)-(-9)(2) (+ 3 2 )- 5 12 - 5 2 +(-
计算:(1)(-4)-(+13)+(-5)-(-9)(2)(+32)-512-52+(-712)(3)(14-16+19)×(-36)(4)-32×(-2)+42÷(-2...
计算:(1)(-4)-(+13)+(-5)-(-9)(2) (+ 3 2 )- 5 12 - 5 2 +(- 7 12 ) (3) ( 1 4 - 1 6 + 1 9 )×(-36) (4)-3 2 ×(-2)+4 2 ÷(-2) 3 .
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(1)原式=-4-13-5+9=-22+9=-13; ( 2)原式=
(3)原式=
(4)原式=-9×(-2)+16÷(-8)=18-2=16. |
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