文档介绍:用脱式计算下面各题125+25X6(135+75)一(14X5) 120-60^5X51024一16X3(135+415)一5+16 1200—20X720—720一15(360-144)4-24X3240+480一30X(6+13)(120X2+120)一9164-13X5+85330一(65—50)128-6X8^1664X(12+65一13)19X96—962=7410000-(59+66)X645940*45X(798—616)(315X40—364)—712520一8X(121一11)(2010-906)X(65+15)(20+120宁24)X8106X9-76X9117一13+37X(65+35)540-(148+47)F13(308—308^28)XII735X(700-40025)1520-(1070+28X2) 9405-29404-28X21920-16804-404-7690+47X52-398148+33284-64-75360X244-32+7302100-94+48X5451+(2304-2042)X234215+(4361-716)4-81(247+18)X274-2536-7204-(3604-18)10804-(63-54)X80(528+912)X5-6178(10+120一24)X528004-100+789(947-599)+7X6436X(15-2764-23)16X(17-8)^328X(5+96一32) 81一(72-69)X957X12—560一35848-6404-16X12 9604(1500-32X45)192-(54+38)XI(12+24+80)X5032X(25+125)123X18-123X3+85X123 25X(24+16)178X99+178(140-70)X5463+84X2=42490三7+24X545+2404-1215X7+85X7(46-20)X30-9025X27X4(40-4)X252400^80-14X2108-(83+360宁60) (420+48)一(375-345)290-(34X3+99)720F36F299X53+53450-2X(16+9)245-(45+39)125X(8X4)X541X25-25420一(205-198)X4460一(29-184-3)(960-400)4-70(140-70)X5463+84X242490—7+24X526X6-11015X7+85X7(46-20)X30-90(40-4)X2524004-80-14X2108-(83+360一60)(420+48)一(375-345) 290-(34X3+99) 142-54^9+14(140-70)X5463+84X24-42490一7+24X526X6-110(46-20)X30-9015X7+85X7(40-4)X2524004-80-14X2108-(83+3604-60)245-(45+39)125X(8X4)X541X25-25420一(205-198)X4460一(29-184-3)(960-400)4-7045+240H2124+78+22100-35-25(420+48)三(375-345) 290-(34X3+99) 142—54一9+14245-(45+39)41X25-25420=(205-198)X4460宁(29-184-3)(960-400)4-7043+315—5426-279^3 98-19x4+62 51+121x784X3-136^8 (32+28)X6 325一13X(266-250)55+720三(40-35) (220-180)4-8 36X(28F7+23)(38+42)X(5254-35) (135-72)一7 (246^6-32) 340-240^20X5 (58+12)X(96^8)106x6^324—8x30252一4x30(338+89-19)4-34(640+7504-15)X15(72-57)X38892-(90+56X2)69X(800-700)4-525X4+32082^2+59322+1258x5+32^4107-35x381^3+3x11135T5+26206X3-1284-4(482-42)4-22-1757H-3-12168^12-48^12182一13+20趺13525^21-378^2132X5X6-648+424-6-1260-(304-3+3)31X13-228^19(156+224十32)X80345一(128-5314-9)