小升初道计算题

1、2150道典型计算题解析193+96+97+95+89+90+94+87+95+922(123456+234561+345612+456123+561234+612345)十32005+2004-2003-2002+2001+2000-1999-1998+1997+1996-7-6+5+4-3-2+142999+999x9995333333x33333362005x2004-2004x2003+2003x2002-2002x2001+3x2-2x17.80 x1995-3990+1995x228.20.09x62+200.9x3.9-7x2.871121123211210+一+-+一+一+一+

2、122233333199519959.1.23452+0.76552+2.469x0.76551194+994+9994+99994+99999-555551995+19951199512816x丄311022517x5933332十x-51223693200713,2007十200720088个9012023030390909+HTOC o 1-5 h z19191919191919199个19/入1115一根铁丝，第一次剪去了全长的丄，第二次剪去所剩铁丝的丄，第三次剪去所剩铁丝2311的丄，第2008次剪去所剩铁丝的丄，这时量得所剩铁丝为1米，那么原来的铁丝2009长多少米41211416

3、x23+16x-+x-7137713174x53+5x64+6x75+7x86+8x9-4567817382918.72r+81:+91:33557719(3+4+5匕)十(2?+2也+3)11131711131720f11f11f11+23x+一53x23-535376:23-7676xx207200(0.00325r0.013)(0.220.2065)r(36.x0.015)f111f1一+一+一r19-(456J2丿11112+3+7F，其中（）应填为多少2223242526272829303132333435363738394041424344161994x79+x790+244.92

4、251f53)匚219丫x4.85+3.6+6.15x3-+5.5-1.75x1+4I185丿1321丿1x2x4+2x4x8+3x6x12+10 x20 x401x3x6+2x6x12+3x9x18+10 x30 x60TOC o 1-5 h z.2_3.498991-+2-+3+.+97+98-3459910012397983-+5+7-+.+195+197一345991001.1+3.3+5.5+7.7+9.9+11.11+13.13+15.15+17.17+19.191231990+1990199019901990678910111+3+5+7+9+11+131313131313131

5、31111111+H315356399143195251251251+4x88x1212x162512000 x20042512004x20081+1+2+10032456+2x55x77x1111x1616x22722x291+-2911+1x3x53x5x71+5x7x91+2001x2003x20052349+2x32x3x42x3x4x5.2x3x4x10 x(1-1_4)x(1-365791113-+-+-+576122030423549637791105.3:1+1-.161220304256丿88(1-22)x(1-却x(1-42)x(1-52)x+12+2222+32182+1

6、92192+202+2x318x1919x2011x21十+222323+11(1+2)x(1+3)992x9921122(1+2)x(1+3)xx(1+需xx2213211+21+2+31+2+3+4xxx22+3.2+3+41x2+2x3+3x4+49x501x4+4x7+7x10+49x521+2+3+50 x2+3+50*”表示一种运算符号，它的含义是：X*y=Jy+（x+1）iy+a），已知1501122*1=丄+1=2，求1998*1999。2x1(2+1)(1+A)345我们规定：符号0表示选择两数中较大数的运算，例如：503=305=5，符号表示1523选择两数中较小数的运算，例如：5A3=3A5=3,计算:(0.60)+(0.625A一)蕃订辽的结果是(0.3A99)+(石02.25)多少46470.16+0.142857+0.125+0.1111111求一+-+34567848(621739458(739458378、(621739458378)+X+一卜+(126358947丿(358947207丿(126358947207丿换元法】X-19的整数部分是