简便计算练习题(1

1、1125- 997998+1246六年级数学总复习简便计算练习题1 2-1+3.2 + 52 +6.81231 - (140025X(37X8)3417.15 8.47 1.5315(2+if)125X 8.84.35+ 4.25 + 3.65 + 3.753.4X 99+ 3.4(+ + ) X 721218 244.25+总X110.125X 0.25 X 3222.32.45 5.3 4.553- (2 - 1 3)6 -187.7X 11 187.743-8X - + 57.125 X -20.55_3315 X (7 1421X 6.6 + 2.5 X 63117-61 - +5.4

2、2.8+5； +7.2+359935348 +2.25+58 +7427253+47 +2353着15+16石3523 %3433 +1?4+1450-7巧+4 +0.3751435-2后-1后+ 95 +99彳 +9995 +9999*48.3-151 -46X 4.25+44 十 60.625 X 0.5+胄 +1 X62.5%5X 72帀1诗 +(24 -1.8)99992.5X(亦 +190 +19)怖)22 X 3 +25X 75%-70.75X0.25 X 63.5 舟4昭 X 2-5-21X 417539 +3.125+1i +1i1125-996(111+999)56 X(3

3、?)49.5 X1-(50-2)X 0.6714171 X 4亦 +57_+ 11745 X(74+15 6)897 X : 37.5%+104 X 0.37531 X (58 5.375)3.5 X 11 +1.25 X 217： +3.8 十 4410571 X 993755+29968439+1001446+295888+99972 X 156-56 X 7225 X 32 X 125709X99+70914. 0.25X 482.5X 3299X101563X99921X 6.6+2.5X 632575.3X 99+75.34.6 X 3.7+54 X 0.370.125X 栄4 8X

4、 8.25+12.5%&37-3.25-(1.37+1.75)2100-20117 611215；34 4.25 5319.82- 6.57 3.434.6+32+63+5.448+2.25+58+749.63- 2.5- 46 - 0.25235 - 135 十 18X 153 -0.6 X 5371210 - W - W13.09 - 8.12 -4.8812X 103 4500- 75113101 X1 十(5 X6)X 15 X 11748 X ( - + 2)十2728 X 2513425X 23+ 25 X 67(15+ 25)X 23700 218581512 X 25125 X( 8+ 4)32+ 144 + 68 + 562847 14X 4X 25X 160X( 15 + 500)435+19992843 5984 X 8X 25X 125259 + 468 + 741 + 53236 X 2512X 15+ 12X 3531 X 128 28 X 31(25+250)X 4(125X 125)X 8(712 - 15 )X 6047 X 613 +37 X 62538 X36 X435227 (15