(完整版)有理数混合运算专题训练100题及答案

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2、91 2 3 11(-27n)9-(-+-)x(-24)13236.9 S R(Fl尹护(一忑)r827一3111029.+ (-)-(-3-)115| 31 +10-(-15)x 30.1(+0.125)+13-11-|+(-0.25)弋哙-討2寺31.211x(-455) + 365x455 - 211x545 + 545x3654 一珀1卄卩（一7）32.”（护訥9 （册+3-x(8-2-0.04)4333.-15-(-O-4)x(-2.5)534.25 171右一9一恳十込）x24十（一5）35.-5 - 7| +1-5 -(-7)| + |(-243) + (-246)|3 13丿-

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5、o(一一)i(一2)+(一2)2 X(14)23 o一3 - _54(1 02x“(_2)51I1F1x2 2x399x1005&59.60.61.62.63.64.65.66.67.77- u2l4x(3llo)v(4l9)7K 5 + (12)4124*(12)379 24 + 16 巾( 2)3*(丄 0)XI(|2xTlr 13X 1 (2)s. 231321(-4)x(19)x089 1x13x(11)3 1(11)490.9:_x2!92(7x(15)190(115)93. 42x(12) + (127(10.25)3 497. (2)x(5)xxa30)参考答案485599 105 6 0.427 -10259 -13.34 -2-6-4 -31.5 4 175 25 芒731834.750-异3 -A.22 _2 _7 _6 503 -63-15 114丄 110ii33154000562.-66. -26167.68.69.70.71.72.73.2*125 99 Too811663.532074.75.76.77.78.79.80.81.2 8 1324-52 4582. 28 483. 2784. 5盹4|89. -690. 89L -1 292. 4193. -2594. 295. 10096. -697. -250映z999. 5.03100