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五年级简便运算题50道

望采纳谢谢.(1)2.5*32*0.125 =(2.5*4)*(8*0.125) =10*1 =10 (2)3.5-7+6.5 =3.5+6.5-7 =100*9.7 =59 =10 =970 ⑺、运用减法的运算规律进行简便计算. 1.8-0.45-0.55 54.4-

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

50道简便运算题:30*20= 400÷4= 350-80= 160+70=18-64÷8= 42÷6+20= 40-5*7= 80+60÷3=41+18÷2= 75-11*5= 2+7-29= 5600÷80=25*16= 120*25= 36*11= 1025÷25=

30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24*3.5 20*[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25*2.4) 2.55*7.1 2.45*7.1 777*9 1111*3 0.8*[15.5-(3.21 5.79)] (31.8 3.2

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 5.2*0.9+0.97.28*99+7.28 4.3*50*0.2 64-2.64*0.526*15.7+15.7*24 (2.275 +0.625)*0.

简便计算题: 1)6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 2)4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.756.48) 3)3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2

1. 3/7 * 49/9 - 4/3 2. 8/9 * 15/36 + 1/27 3. 12* 5/6 2/9 *3 4. 8* 5/4 + 1/4 5. 6÷ 3/8 1.25*64*0.2547 4.6*0.35+4.6*0.65 48 0.95*8.6-7.6*0.95 49 2.4*1.87-2.4*0.87 50 4.

(1)2.5*32*0.125 =(2.5*4)*(8*0.125) =10*1 =10 (2)3.5-7+6.5 =3.5+6.5-7 =3 (3)1.2*2.5+ =27.85-7.85+3.4 =20+3.4 =23.4 (15)48*1.25+50*1.25*0.2*8 7.8*9.9+0.78 =7.8*(9.9+

5.4*0.75÷1.5 [18.95-(8.43 3.87)]*2.8 3.4*0.46 3.4*0.54 25.5÷[(10-8.98)*2.5] 2.5*(6.2-2.6)*0.4 12.6-(2.89 7.11)*1.01 6.3 4.82 3.7-0.82 307*10.1 0.45*18 132-43.7-56.3 0. 32

1、 1/2*2/5+9/10÷9/20 2、 5/9*3/10+2/7÷2/5 3、 1/2+1/4*4/5-1/15 4、 3/4*5/7*4/3-1 12 : x 110 : x = 0.2 : 14 3.6 : 15 = x : 2212 简便运算:① 4*127 +4*29 + 57 *4 ② 567+

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