世界即时看！今日七下实数的计算题及答案过程_实数计算题100道及答案

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1、全部展开(1) x 2-9x8=0答案：x1=8 x2=1(2) x 2 6x-27=0答案：x1=3 x2=-9(3) x 2-2x-80=0答案：x1=-8 x2=10(4) 4)x^2 10x-200=0=0答案：x1=-20 x2=10(5) X 2-20x96=0答案：x1=12 x2=8(6) x 2 23x76=0答案：x1=-19 x2=-4(7) x 2-25x154=0答案：x1=14 x2=11(8) x 2-12x-108=0答案：x1=-6 x2=18(9) x 2 4x-252=0答案：x1=14 x2=-18(10) x 2-11x-102=0答案：x1=17 x2=-6(11)x ^ 2 15x-54=0答案：x1=-18 x2=3(12) x 2 11x18=0答案：x1=-2 x2=-9(13) x 2-9x20=0答案：x1=4 x2=5(14) x 2 19x90=0答案：x1=-10 x2=-9(15) x 2-25x156=0答案：x1=13 x2=12(16) x 2-22x57=0答案：x1=3 x2=19(17) x 2-5x-176=0答案：x1=16 x2=-11(18) x 2-26x133=0答案：x1=7 x2=19(19)x ^ 2 10x-11=0答案：x1=-11 x2=1(20) x 2-3x-304=0答案：x1=-16 x2=19(21) x 2 13x-140=0答案：x1=7 x2=-20(22) x 2 13x-48=0答案：x1=3 x2=-16(23) x 2 5x-176=0答案：x1=-16 x2=11(24) x 2 28x171=0答案：x1=-9 x2=-19(25) x 2 14x45=0答案：x1=-9 x2=-5(26) x 2-9x-136=0答案：x1=-8 x2=17(27) x 2-15x-76=0答案：x1=19 x2=-4(28) x 2 23x126=0答案：x1=-9 x2=-14(29) x 2 9x-70=0答案：x1=-14 x2=5(30) x 2-1x-56=0答案：x1=8 x2=-7(31) x 2 7x-60=0答案：x1=5 x2=-12(32)x ^ 2 10x-39=0答案：x1=-13 x2=3(33) x 2 19x34=0答案：x1=-17 x2=-2(34) x 2-6x-160=0答案：x1=16 x2=-10(35) x 2-6x-55=0答案：x1=11 x2=-5(36) x 2-7x-144=0答案：x1=-9 x2=16(37) x 2 20x51=0答案：x1=-3 x2=-17(38) x 2-9x14=0答案：x1=2 x2=7(39) x 2-29x208=0答案：x1=16 x2=13(40)x ^ 2 19x-20=0答案：x1=-20 x2=1(41) x 2-13x-48=0答案：x1=16 x2=-3(42) x 2 10x24=0答案：x1=-6 x2=-4(43) x 2 28x180=0答案：x1=-10 x2=-18(44) x 2-8x-209=0答案：x1=-11 x2=19(45) x 2 23x90=0答案：x1=-18 x2=-5(46) x 2 7x6=0答案：x1=-6 x2=-1(47) x 2 16x28=0答案：x1=-14 x2=-2(48) x 2 5x-50=0答案：x1=-10 x2=5(49)x ^ 2 13x-14=0答案：x1=1 x2=-14(50) x 2-23x102=0答案：x1=17 x2=6(51) x 2 5x-176=0答案：x1=-16 x2=11(52) x 2-8x-20=0答案：x1=-2 x2=10(53) x 2-16x39=0答案：x1=3 x2=13(54) x 2 32x240=0答案：x1=-20 x2=-12(55) x 2 34x288=0答案：x1=-18 x2=-16(56) x 2 22x105=0答案：x1=-7 x2=-15(57)x ^ 2 19x-20=0答案：x1=-20 x2=1(58) x 2-7x6=0答案：x1=6 x2=1(59) x 2 4x-221=0答案：x1=13 x2=-17(60) x 2 6x-91=0答案：x1=-13 x2=7(61) x 2 8x12=0答案：x1=-2 x2=-6(62) x 2 7x-120=0答案：x1=-15 x2=8(63) x 2-18x17=0答案：x1=17 x2=1(64) x 2 7x-170=0答案：x1=-17 x2=10(65) x 2 6x8=0答案：x1=-4 x2=-2(66) x 2 13x12=0答案：x1=-1 x2=-12(67) x 2 24x119=0答案：x1=-7 x2=-17(68) x 2 11x-42=0答案：x1=3 x2=-14(69) x 20x-289=0答案：x1=17 x2=-17(70) x 2 13x30=0答案：x1=-3 x2=-10(71) x 2-24x140=0答案：x1=14 x2=10(72) x 2 4x-60=0答案：x1=-10 x2=6(73) x 2 27x170=0答案：x1=-10 x2=-17(74) x 2 27x152=0答案：x1=-19 x2=-8(75) x 2-2x-99=0答案：x1=11 x2=-9(76) x 2 12x11=0答案：x1=-11 x2=-1(77) x 2 17x70=0答案：x1=-10 x2=-7(78) x 2 20x19=0答案：x1=-19 x2=-1(79) x 2-2x-168=0答案：x1=-12 x2=14(80) x 2-13x30=0答案：x1=3 x2=10(81) x 2-10x-119=0答案：x1=17 x2=-7(82) x 2 16x-17=0答案：x1=1 x2=-17(83) x 2-1x-20=0答案：x1=5 x2=-4(84) x 2-2x-288=0答案：x1=18 x2=-16(85) x 2-20x64=0答案：x1=16 x2=4(86) x 2 22x105=0答案：x1=-7 x2=-15(87) x 2 13x12=0答案：x1=-1 x2=-12(88) x 2-4x-285=0答案：x1=19 x2=-15(89) x 2 26x133=0答案：x1=-19 x2=-7(90) x 2-17x16=0答案：x1=1 x2=16(91) x 2 3x-4=0答案：x1=1 x2=-4(92) x 2-14x48=0答案：x1=6 x2=8(93) x 2-12x-133=0答案：x1=19 x2=-7(94) x 2 5x4=0答案：x1=-1 x2=-4(95) x 2 6x-91=0答案：x1=7 x2=-13(96) x 2 3x-4=0答案：x1=-4 x2=1(97) x 2-13x12=0答案：x1=12 x2=1(98) x 2 7x-44=0答案：x1=-11 x2=4(99) x 2-6x-7=0答案：x1=-1 x2=7(100) x 2-9x-90=0答案：x1=15 x2=-6(101) x 2 17x72=0答案：x1=-8 x2=-9(102) x 2 13x-14=0答案：x1=-14 x2=1(103) x 2 9 x-36=0答案：x1=-12 x2=3(104) x 2-9x-90=0答案：x1=-6 x2=15(105) x 2 14x13=0答案：x1=-1 x2=-13(106) x 2-16x63=0答案：x1=7 x2=9(107) x 2-15x44=0答案：x1=4 x2=11(108) x 2 2x-168=0答案：x1=-14 x2=12(109) x 2-6x-216=0答案：x1=-12 x2=18(110) x 2-6x-55=0答案：x1=11 x2=-5(111) x 2 18x32=0答案：x1=-2 x2=-16。

本文到此结束，希望对大家有所帮助。

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