新人教版小学六年级数学练习题(解方程+简便运算)

1、、解方程。3X=3解方程、简便运算强化训练1612-53 + X=10X -=30%425X-0.25=7250% X +4-X = 3.6525% X15%X =X - 15%X = 68+ 3X= 1218x+ 8X=4X+1 1X=20 46X+ 5 =13.4 6 = 383 v 13-X+-=-44 84 X-3 X9 = 295X5-3X -54X-6X 2 =2321X - 0.8 X = 16+62o ( X - 4.5) = 7 3212X+ 1 = 122(X-2.6)=82135 X- 3 X=wXX (5 0.375 X = 5620 X - 8.5= 1.5X -4=

2、 214+0.7X=10212 X - 25% X = 10、简便运算。271谈 5)X60X350.65X101(712 - 15 )4036 X34350.65 M01(1.25-0.125 ) X83c ,113 11258 X824 N - -12 8 6 3)X103- X2-2525250.92X1.41 + 0.92X8. 592. 25X4. 8+77.5X0. 484.8 X 7.8+78 X0.521.3X11.6-1.6X1.32 (12+2)713X 10.22.6X9946367 _-11757 X13 +7X1327.5X3.7-7.5 X3.795+ X 9117

3、73316 一73 一13x 101-10二 x 99 +X-1055513572727 x(15 x28 ) x154.36X12.5 X82.5X 32X1.251.25 +X0. 89.6 +3.2+315.2+ 0.25 +48 x9889 x9c 3 cX3 X 38146.5- (23+46.5)12.89-(3.89-1.6)73.8-1.64-13.8-5.3615.75+3.59-0.59+14.255.48- (9.4-0.52 )12.06+5.07 + 2.9430. 34+9. 76 10. 34二、简便运算。(1.25-0.125 ) X82538 X8(12+ )

4、 X7-4= 2113X10.22.6 X99X - 45 X47X613 +37X6130.92部.5927.5 M.7-7.5 2.70.92 X1.41 +710 X101- 71035 X 99 + 3530.34 +9.76 - 10.342.25 >4.8+77.5 >0.484.8 X7.8+78 X0.521.3 X11.6 1.6 M.3227 平5 >2728 ) X2154.36 X12.5 X82.5 X32X1.251.25 -X0.89.6 与.2 与15.2 书.25 乂2(X-2.6)=825 X-13 X=31089 X89 邓 X8912.

5、06 + 5.07 + 2.94146.5- (23+46.5 )12.89-(3.89-1.6)15.75+3.59-0.59+14.2573.8-1.64-13.8-5.365.48- ( 9.4-0.52 )4 X -3 X9 = 295X 3X =24X -6X0.36 X5- 34 X = 35X - 0.8 X = 16+623 ( X - 4.5) = 7X+ = 124+0.7X=102X-0.375 X =20 X - 8.5= 1.512 X -XX( 16 + 38 )=131225% X = 10二、简便运算。(712 - 15 ) X60+ 3536 X34350.6

6、5 M0135 X 99(1.25-0.125 )X827.5 X3.7-7.5 X3.72538 X8710 X101- 710(12+ )夕 M01- 71013 X0.22.6971047 %13 +37 6130.92 M.41 + 0.92 沟.592.25 >4.8+77.5 >0.484.8 X7.8+78 >0.521.3 M1.6 1.6X1.3227N15X2728 ) X2154.36 X12.5 X82.5 X32 X1.251.25-X0.89.63.2与15.2 田.25 乂89X89 39 X89X3 + M146.5- (23+46.5 )12.89-(3.89-1.6)73.8-1.64-13.8-5