计算(1)33+(-10)-(-22)(2)-1 4 -5×(-3×2) 2 +(-1) 2010 (3)( 1 4 - 1
计算(1)33+(-10)-(-22)(2)-14-5×(-3×2)2+(-1)2010(3)(14-19-112)×(-36)÷(-2)(4)8×(-12)4-16×[...
计算(1)33+(-10)-(-22)(2)-1 4 -5×(-3×2) 2 +(-1) 2010 (3)( 1 4 - 1 9 - 1 12 )×(-36)÷(-2)(4) 8×(- 1 2 ) 4 - 1 6 ×[2- (-3) 2 ] .
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蛋蛋A0013
2014-12-01
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(1)33+(-10)-(-22) =33+(-10)+22 =33+22+(-10) =55+(-10) =45
(2)-1 4 -5×(-3×2) 2 +(-1) 2010 =-1-5×(-6) 2 +1 =-1-5×36+1 =0-180 =-180
(3)( - - )×(-36)÷(-2) =( - - )×(-36)× (- ) =( - - )×18 = ×18- ×18- ×18 = -2- =1
(4) 8×(- ) 4 - ×[2- (-3) 2 ] = 8× - ×(2-9) = - ×(-7) = + = + = |
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