1、数学整数脱式计算题500道带答案0.4125250.8=（0.425）（1250.8)=10100=10001.25（8+10）=1.258+1.2510=10+12.5=22.59123-（123+8.8）=9123-123-8.8=9000-8.8=8991.21.248.3+8.31.76=8.3（1.24+1.76)=8.33=24.999991001=9999（1000+1）=99991000+99991=1000899914.86.3-6.36.58.33.7=（14.8-6.5）6.38.33.7=8.36.3+8.33.78.3（6.33.7）=8.310=831.24+0.7
2、8+8.76=（1.24+8.76）+0.78=10+0.78=10.78933-157-43=933-（157+43）=933-200=7334821-998=4821-1000+2=38233212525=4812525=（425）（8125）=1001000=100000900072(1.250.78)=9000727=1257=8751.25(8+10)=1.258+1.2510=10+12.5=22.51.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.781/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54800254=4800
3、(25x4)=4800100=4800100=482/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/83/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/73.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=10.4125250.8=(0.425)(1250.8)=10100=10001.25(8+10)=1.258+1.2510=10+12.5=22.59123-(123+8.8)=9123-123-8.8=9000-8.8=8991.21.248.3+8.31.76=8.3(1.24+1.76)=8.33=24.999991001=99
4、99(1000+1)=99991000+99991=1000899914.86.3-6.36.5+8.33.7=(14.8-6.5)6.3+8.33.7=8.36.3+8.33.7=8.3(6.3+3.7)=8.310=831.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78933-157-43=933-(157+43)=933-200=7334821-998=4821-1000+2=38233212525=4812525=(425)(8125)=1001000=1000001.8+181.5-0.50.3=1.8+12-0.15=13.8-0.15=13
5、.65 6.58+3.58-47=52+28-47=80-47=333.7x2.56-2.3=9.472-2.3=7.1721.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.781/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54800254=4800(25x4)=4800100=482/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/83/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/73.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=10.4125250.8=(0.425)(12
6、50.8)=10100=10001.25(8+10)=1.258+1.2510=10+12.5=22.59123-(123+8.8)=9123-123-8.8=9000-8.8=8991.21.248.3+8.31.76=8.3(1.24+1.76)=8.33=24.961-(1.25+2.50.7)=61-3=58(10-0.8)+9.85-20.125=19.05-20.125=19.05-16=3.054081224=408-288=120（4628)60=74x60= 4440425017= 2100-17= 2083321055=32+21= 53420（327238)= 420x8
7、9= 37380(4121+2389)7=65107= 9303.416（0.01635）= 3.416 0.56= 6.10.8(106.76)1.2= 0.8 x(3.241.2)= 0.8 x 2.7= 2.165.670.2-0.62= 1.134-0.62= 0.5140.40.70.25=0.4x0.25x0.7=0.10.7= 0.071.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78933-157-43=933-(157+43)=933-200=7334821-998=4821-1000+2=38233212525=4812525=(42
8、5)(8125)=1001000=1000001.8+181.5-0.50.3=1.8+12-0.15=13.8-0.15=13.656.58+3.58-47=52+28-47=80-47=333.7x2.56-2.3=9.472-2.3=7.1721.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.784081224 = 408 - 288 = 120（4628）60 = 74 x 60 = 4440425017 = 2100- 17 = 2083321055 = 32 + 21 = 53420（327238） = 420 x 89 = 37380(4121
9、+2389)7 = 6510 7 = 9303.416（0.01635） = 3.416 0.56 = 6.10.8(106.76)1.2 = 0.8 x(3.241.2) = 0.8 x 2.7 = 2.165.670.2-0.62 = 1.134-0.62 = 0.5140.40.70.25 = 0.4 x 0.25 x 0.7 = 0.1 x 0.7 = 0.070.78+5.436+1 = 6.216 +1 = 7.21630.814(9.851.07) = 30.8 (14 - 10.92) = 30.83.08 = 1060(9.528.9)0.18 = (60- 38.4)0.1
10、8 = 21.6 0.18 = 1202.8810.430.243.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.8620(2.441.8)0.40.15 = 20x (0.64 0.4 +0.15)= 20x(1.6 +0.15) = 20 x1.75 = 3528-(3.4+1.252.4) = 28 - (3.4 + 3) = 28 - 6.4 = 21.62.557.1+2.457.1 = (2.55 + 2.45) x7.1 = 5 x7.1=35.50.815.5-(3.21+5.79) = 0.8 x (15.5 - 9) = 0.8 x 6.5 =
11、5.2（31.8+3.24）5 = (31.8 + 12.8)5 = 44.65 = 8.9231.54(6+3) = 126 9 = 1422.5+2.52 = 0.8 + 1.25 =2.0519464.81.80.9 = 194 -36 x0.9 = 194-32.4 = 161.651807056 = 5180 - 4230=950242.42.50.8 =10 -2=8405(3213-3189) =405x24 = 9720125(97-81) =125x16 =20006942+4803 = 6942 + 160 = 678220+804-20 = 20 + 20 -20 = 4
12、0 -20 = 20100（32-30）0 = 100 2 x0= 50 x0 = 0254-125 = 100 - 60 = 4070（42-42）18=70 x (018) = 70x0 = 07565+7535 = 75 x (65 +35) = 75x100 = 75006-1.64= 6- 0.4 = 5.65.38+7.85-5.37= 13.23 - 5.37=7.867.20.8-1.25=9 - 6 =36-1.193-0.43= 6-3.57 - 0.43 = 6- (3.57 + 0.43) = 6-4 = 26.5（4.8-1.24）= 6.5 x(4.8 - 4.8
13、)=6.5 x0 = 00.681.9+0.321.9 = (0.68 + 0.32) x1.9 = 1 x 1.9 = 1.910.15-10.750.4-5.7 = 10.15 - 4.3 - 5.7 = 10.15 -(4.3 + 5.7)=10.15 - 10 =0.155.8（3.87-0.13）+4.23.74 = 5.8 x 3.74 +4.2 x 3.74 = (5.8 +4.2)x3.74 = 10 x 3.74 = 37.432.52-（6+9.7283.2）2.5 = 32.52 - (6+3.04)x2.5 = 32.52 - 9.02 x 2.5 = 32.52 -2
14、2.55 = 9.97（136+64）（65-34523）= 200x(65-15) = 200x 50=10000（48+370）（64-45）=418 19 =2214 8/7 5/6 12/15 =16 - 2/3 = 15x1/317/32 3/4 9/24 = 17/32 - 27/96= 51/96 - 27 /96 = 24/96 = 1/43 2/9 + 1/3 = 2/3 + 1/3 = 15/7 3/25 + 3/7 =3/35 + 3/7= 3/35 +15/35= 18/351/5 2/3 + 5/6 = 2/15 + 5/6 = 4/30 + 25/30 = 29/309/22 + 1/11 1/2 = 9/22+ 1/11 x 2 = 9/22 +2/11 = 9/22 +4/22 = 13/225/3 11/5 + 4/3 = 11/3 +4/3 = 15/3 = 545 2/3 + 1/3 15 = 30+5 = 357/19 + 12/19 5/6 =7/19 + 10/19=17/191/4 + 3/4 2/3 =1/4+ 1/2 = 1/4 + 2/4 = 3/48/7 21/16 + 1/2= 3/2+1/2 = 4/2 = 2
