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简便计算五年级30道

五年级上册简便算法题10÷3.14-6.86÷3.1437.68÷0.25÷43.75-(2.75-1.3)37.56-(18+7.56) 0.77÷144.5*9.80.7÷0.1250.7÷0.252.5*3.2*12.512.5*9.6*0.25 3.75-(2.8-1.25)37.65÷0.4÷0.253.125÷8÷0.12537.65-4.75-3.2525*6.4*12.53.6*0.25 答案10÷3.14

1250x0.037+0.125x160+12.5x2.7 =12.5*3.7+12.5*1.6+12.5*2.7 =12.5*【3.7+1.6+2.7】 =12.5*8 =100 0.45x72+45x0.18+4.5 =4.5*7.2+4.5*1.8+4.5*1 =4.5*【7.2+1.8+1】 =4.5*10 =45 400.6x7-2003x0.4 =200.3*14-200.3*4 =200.3*【14-4】 =200.3*

1、56+31+24=(56+24)+31=80+31=111,2、615+475+125 =615+(475+125)=615+600=12153、125*64 =125*8*8=1000*8=80004、 89+101+111=101+(89+111)=101+200=3015、24+127+476+573 =(24+476)+(127+573)=500+700=12006、

91.24*3=72 92.5*18=90 93.26*4=74 94.7*15=105 95.32*30=960 96.40*15=600 97.60*12=720 98.23*30=690 99.30*50=1500 100.5*700=3500 81.40*80=3200 82.400÷80=5 83.48÷16=3 84.96÷24=4 85.160*5=800 86.4*250=1000 87.0*518=0

5.6*2.9 3.77*1.8 0.02*96 5.22*0.3 9.99*0.02 5*2.44 1.666*6.19.432*0.00 5.6*6.5 4.88*2.9 5.61*4.3 8.9*2.4 5.5*55 9.77*0.02 1.384*5.1 8.78*83 2.6*6 0.059*0.2 4.268*1

21) 10/13+2/13=12/1322) 2/13+7/13=9/1323) 1/11+8/11=9/1124) 3/4-1/4= 1/225) 4/15+10/15=14/1526) 12/14-4/14=4/727) 7/13+2/13=9/1328) 8/13-1/13=7/1329) 12/14-12/14=030) 12/13-6/13=6/13

365

56+31+24=(56+24)+31=80+31=111615+475+125 =615+(475+125)=615+600=1215125*64 =125*8*8=1000*8=800089+101+111=101+(89+111)=101+200=30124+127+476+573 =(24+476)+(127+573)=500+700=1200400-273-127=400-(273+

5.8*2.9 3.55*1.8 0.3*96 5.22*0.3 99.3*0.02 4.67*0.9 5*2.44 1.666*6.1 9.432*0.002 5.6*6.5 4.88*2.9 除法: 85.44÷16 42.84÷7 101.7÷9 67.5÷15 230.4÷6 21.24÷36 0.736÷23 43.5÷12 35.21÷7 39.6÷24 解方程: (1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-4=12 (10)14x+7=14

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