五年級(jí)上冊(cè)脫式計(jì)算練習(xí)

1、五年級(jí)上冊(cè)脫式計(jì)算練習(xí)(能簡(jiǎn)算的要簡(jiǎn)算)645-45 X 1210-2.87-7.130.96+9.6 X 9.9401 X 19+284640+128 X 451.25 X 8 + 1.255.37 X 0+4.632.5 X 7.1 X416.H25.12995.0-0.9+0.964-2.64 X 0.52.75.43.96.58 X 4.5 X 0.9=4.8-4.8 X 0.5=56.5 X 9956.5=40.5 +0.81 X 0.18=6.81+6.81 X 99=0.2539+0.25=0.25 X 185X40=1.53+23.4 +7.2=3.01 + 1.7+0.99

2、=5.4 +(0.51 +0.17)=7.28 X 99+7.283.94+34.30.23.69.85-5.462.80.5+1.58=2 / 7(1.25-0.125) X 8= 4.85+0.35 + 1.4= 4.8 X (15 +2.4)= 0.25 X 185X40= (8 X 5.27) X 1.25= 6.8 X 0.75 +0.5= 1.2+3.2+0.8 = 1 X 0.66 +6 =50 0.20.78 X 99+0.78=4.3 8.9 x 1.1 X4.7 8.053.4+7.632 + 4.9- 0.9=4.8 X 100.1 = 0.87 X 3.16+4.64=

3、 2.13 X 0X 8257=2.5(3.80.04)=6.81+6.81 X 99= 3.75 +0.125.75= 1.2 X 2.5 X4 = 2.7-2.7 +2.7=5.4 X (7.26 + 6.05)8.7 X 17.4-8.7 X 7.4=12,5 X 0,4 X 2.5 X 8=(0.25+2.5+25) X 0.4= 0.68 N5.2-3.5) X 1.25=6,4 X 3.28+4.6 X 3.28-3.28=44X 0,80.8 5-0.9 X 0.2+1.8 +0.5=4宏27 (7.3 6.6) X 2.4=37 X 25+268 + 67= (9.37+9.3

4、7+9.37+9.37) X 2.5=2.37 X 6.3+2.32+363于R5 X 72= 46 X 0.33+54 X 0.33=1.93+2.7+2.07+7.3=26X15.7 15.7 X 24=(2.2750,625) X 0.28=7590 + 3314) +54=40- (3.5-2.75+0,86) =412+(60736X 14=10.5+(5.2-3.5)= (13.8-8.7) +0,034=6.25+3.85-2.125+3,875=3.375+5.75+2.25+6.625=85.07- (15.3-4.8)+5.369=2.1 X4.3+5,7 X 2,1=3.

5、375 X 0.97+0.97 X 6.625=6.54+2.4+3.46+0.6=95,6 X 1.8+95.6 X 8,2=1.5X420.75 +0.25=3.27 X4 +3.27 X 5.7=0.25 X 800.45 + 0.9=2.4+2.4 X (5.375-3.375)=7.5-5.7 X 1 + 3=12.37-3.25-6.75=16X 6.8+2,2 X 16+16=58.7-16.65 +3.7=0.4 X4,7 X 2.5+(2.3+5.3)=9.31-1.125-7.875=400 X (0.62+0,08)=1.2 X (9.6 +2.4) +4.8= (8.5

6、8-3.69) X (3.4-1.8) =1.5 X(10.03 15.6 -7.)5 =30.64,5 X 0.)6=4.7+3,91 +(32-29.7)=3.12 K0.9+0.7 +0)1=9.2+9.728 +3.2 X 1,5=2.4 X 0,751.25 +2.5=20,2 X 062,12) +0.1 =(1.5 X 0.9+3.65) +2.5=8.48 + 0.8 X 0.9=101 X 0.36 014.4 X 0.05=(25.3-9.7)+ 0.3 X 8.5=10.5 + (5.14.4)+18.25=4.11 0.72 X (3.382.13)=10251125

7、+ 4.5 X 3魁8 5.4) X 2.75 0.9=0.875 X 36+4.05 +8.1 =630 + (2.98+6.5 X 0.08=(8.1-5.4) +385.7=0.54 + (8745.3) X 28.4=(1.25+6.4) 14.88+2.4=58.8 N0.6 X 0)7+ 0.02=3.6 N 1.2+0.5) X 5=3.6 X 1.25+ 0.32 +0.4=2.5 X (69.728 +3.2)=5.4 + (3.940.86) X 0.8=10.56 X 3.753.75 X 0.56=(37.62+20.76) +0.042=(6.02 + 2.8 )+0

8、.4 - 2.05=(71.2-71.2 X 0.9) +0.25=(4.25-4.25 X。.8+1.7=1.521.6X4 5.7= (227 + 254.68) X 0.5=(21.88+29.8)+7.6=(3.44+20.5 X 0,32) +0.16=0.1 +1 + 1+ -0.8.1 =(4.3 2.01 + 2.2) +4=10.4-7.79 十 0.35+ 0.6)=13.7 X 0.253.7 +4=0.8 X (322.99 +2.3)=5.2 X (4.6 + 0.92 X 0,04)=19.28+1.82 +0.7=(1.5 +081) +0.4=(17.2-4.5

9、 X360.32=3.27 ><80.5-9.84,161.08 -< 3.94+34.3 ><。,2:1.46 X 5+12.8 +0,4 X 7,5=3.8+ (2425X 0.6 =(0.25 +0,125) + (0.75 X 0.4)=202,5 X4+8=(4.8 4.8 X 0,5) +2=0,80A+0,64) +0.92=(25.3-9.7)+0,3>(夕5>1.3 米 6+ 1,5=58.8N0.6X0)7-0.02=0,4 X (3.2-0.8)+1.2=16.78-1.6 X 1.5 +0.8=(53.73-17.49) X (

10、2.6+12.4)=18.64-4.35 X220.9= (9-8.5) X-(54.76) +0.1 =( 1.1-0.78) X (2.7-1.95)=0.06 X (10.140.64) +2=19.8+(3.749-0.299)+2.3=1.5 X 120.6 +2.4=4.32 X 15 可2.1 +0.85=8.74 - 8.74+ 23+700 X 0.03=4.3836.94+34.3 X)0.=1.6 X (2.25+27.75 + 1.5)=6.5 X (10-3.7)+2.98=4.5 X (0.75-0.356)+9.23=1.46 X 5+12.8 +0.4 X 7.

11、5=(15.6-2.4) X 0.8+4.32=(6.8 5.4) X2.750.9=4.78+0.22 X 20+ 16=88)2 ”10 7.6)=1.6+8.4 X 1.5 +0.18=20.2 X 0£2.8 + 0.4=17.68+5.2+2.7 X 1.5=8.6+15.4 + 0.4 X 1.4=0.6 X(6.25 +2.50.25)=5.6 X (12£8.5 +0.85)=0.38+9.62 +3.7 X 5.4=(5.84-3.9) +0.4+0.15=2.02 X 1.027 +0.=64.75+8.4 +(9.2-6.8)=5.4+(0.63+1.29+0