四年级脱式计算题500道.doc

1.3/7 49/9 - 4/32.8/9 15/36 + 1/273.12 5/6 2/9 34.8 5/4 + 1/45.6 3/8 3/8 66.4/7 5/9 + 3/7 5/97.5/2 -（ 3/2 + 4/5 ）8.7/8 + （ 1/8 + 1/9 ）9.9 5/6 + 5/610.3/4 8/9 - 1/311.7 5/49 + 3/1412.6 （ 1/2 + 2/3 ）13.8 4/5 + 8 11/514.31 5/6 5/615.9/7 - （ 2/7 10/21 ）16.5/9 18 14 2/717.4/5 25/16 + 2/3 3/418.14 8/7 5/6 12/1519.17/32 3/4 9/2420.3 2/9 + 1/321.5/7 3/25 + 3/722.3/14 2/3 + 1/623.1/5 2/3 + 5/624.9/22 + 1/11 1/225.5/3 11/5 + 4/326.45 2/3 + 1/3 1527.7/19 + 12/19 5/628.1/4 + 3/4 2/329.8/7 21/16 + 1/230.101 1/5 1/5 2131.5016040 （58+370）（64-45）32.120-14418+3533.347+452-41605234（58+37）（64-95）35.95（64-45）36.178-14556+42 420+580-64212837.812-700（9+3111） （136+64）（65-34523）38.85+14（14+20826）39.（284+16）（512-820818）40.120-36418+3541.（58+37）（64-95）42.(6.8-6.80.55)8.543.0.12 4.80.124.844.（3.21.5+2.5）1.6 （2）3.2（1.5+2.5）1.645.6-1.64= 5.38+7.85-5.37=46.7.20.8-1.25= 6-1.193-0.43=47.6.5（4.8-1.24）= 0.681.9+0.321.948.10.15-10.750.4-5.749.5.8（3.87-0.13）+4.23.7450.32.52-（6+9.7283.2）2.551.（7.1-5.6）0.9-1.15 2.552.5.42.6（3.7-2.9）+0.6253.126（12-7.2）-6 （4）1267.2-61.(5.84-3.9)/0.4+0.15*0.922.4.38/(36.94+34.3*0.2)3.(284+16)*(512-8208/18)4.5.4/2.6*(3.7-2.9)+0.625.(7.1-5.6)*0.9-1.15/2.56.32.52-(6+9.728/3.2)*2.57.5.8*(3.87-0.13)+4.2*3.78.8/9*15/16*(7/16-1/4)/1/29.5 1/2-1.04*(1 2/3+5/6)/2.910.6 3/7 /3/7-(7-0.5)*1/411.(0.75+0.2)/0.25*25%+12/0.75+7.2/2.412.1.21*42-(4.46+0.14)*1375+450/18*2513.1+0.45/0.9-0.75-168.1/(4.3*2-0.4)14.605*8+3.5-44+10.9-(6.6+0.125/12.5%)15.56*（56-65）*0.325-62/30+（56/8）-65 16.4/7*5/9 + 3/7*5/9-3/4 8/9 - 1/317.50160/40 *（58+370)/（64-45）18.347+452-41605219.6-1.64+ 5.38+7.85-5.3720.5.42.6（3.7-2.9）+0.6230.814(9.851.07)60(9.528.9)0.182.8810.430.243.520(2.441.8)0.40.1528-(3.4 1.252.4)2.557.1 2.457.17779 111130.815.5-(3.21 5.79)（31.8 3.24）531.54(63)0.64257.82.222.52.5219464.81.80.936.724.259.951807056242.42.50.8(4121 2389)767115-97446912 1492405(3213-3189)3.416（0.01635）0.8(106.76)1.219.46.12.35.670.2-0.6218.10.92 3.930.0430.240.8750.40.70.250.751022100-56.23 0.78 5.436-4.070.861.853+654-5832.95175-9563.854+965-8524.741+852+9635.951+753-8326.423-512+6277.746+958-6548.9987+658-22359.861-546+336810.8856+9951-102541.8546+912-65892.6541+6987-33543.6987-3546+32164.9654+364-33655.9658+6325-52146.8547-5214+63257.3258+1258-23548.6547+7456-96329.32145-25698+32510.856+9541-7531.58+89+382.685+289+3093.985-682+5214.369+258+1475.963-852+7416.5+98+797.365-264+9518.951+753-8649.357+159+63810.693+954-68211.214+354+62112.324+965-78713.5+684-24914.9+85-6015.100+200+30016.259+324-51217.249+654+36518.5+64+6519.283+591-32520.986+934-8601.28+49+4822.124+125+563.6521+4562+7824.452+4565.4521+(452-52)6.152-54-657.4512+125-5618.4521+5316-45129.2445-561+45210.4562+4512-54611.12+456+56112.845-23+5613.5421+365-569+265-8514.58432+52-5415.214-98-8516.365+56+56+9617.854-5695-23+5218.2564+564+6519.256+65+6520.56+5684-981.45+1562.250583.65244.303+85.4004+2056.10+123+207.(8020+80)48.70+(100-105)9.36040+1010.4020-20011.（80-25）*212.70+4513.902314.166315.3006916.5409717.30201518.4004719.（350-80）920.160+70+5021.18-64822.426+2023.40-5724.80+60325.41+18226.75-11527.42+7-2928.56008029.2516430.12025531.3611332.102525833.336+70-634.259435.200-33336.3020-1010+5437.1250+1038.258+19939.2311-1340.12525-545+24012 124+78+22 100-35-25（140-70）54 63+84242 4907+245266-110 345+99 （46-20）30-9025274 157+857 （404）2512564 240080142 108（8336060）（42048）（375345）