计算:(1)-3-6+9-11+2(2)( 1 6 - 3 4 + 1 12 )×(-36) ×(-24)(3)
计算:(1)-3-6+9-11+2(2)(16-34+112)×(-36)×(-24)(3)(-10)-(-10)×12÷2×(-20)(4)(-1)3-(1-0.5)×...
计算:(1)-3-6+9-11+2(2)( 1 6 - 3 4 + 1 12 )×(-36) ×(-24)(3)(-10)-(-10)× 1 2 ÷2×(-20)(4) (-1 ) 3 -(1-0.5)× 1 3 ×[2-(-3 ) 2 ] (5)(-12)÷(- 1 12 )÷(-100)(6)8+(4-5)÷0.1(7)-1 4 -(1-0.5)×[2-(-3) 2 ](8)36× ( 1 2 - 1 3 ) 2 (9)3.14×(-5)+3.14×(-12)+3.14×8
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(1)原式=(-3-6-11)+(2+9) =-20+11 =-9; (2)原式=
=-4+18-2 =14-2 =12; (3)原式=-10-(-5)×
=-10-50 =-60; (4)原式= -1-
=-1+
=
(5)原式= (-12)×(-12)×(-
=144× (-
=-1.44; (6)原式=8+(-1)×10 =8-10 =-2; (7)原式= -1-
= -1+
=
(8)原式= 36×(
=36×
=1; (9)原式=3.14×(-5-12+8) =3.14×(-9) =-28.26. |
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