hyfm.net
当前位置:首页 >> 数学简便计算题及答案 >>

数学简便计算题及答案

1.1995*1996.1996-1996*1995.1995 2.2003*200220022002-2002*200320032002 3.111111÷1111*3333 4.19961997*19971996-19961996*19971997 5.77*13+255*999+510 5.11111111112222222222÷3333333334 6.2772÷28+34965÷35 7.

300÷125÷8=300÷(125*8)=300÷1000=0.3396-96-172-28 =(396-96)-(172+28)= 300-200 = 100 125*24 = 125*8*3 = 1000*3 = 300026*15 = (20+6)*15 = 20*15 + 6*15 = 300+90 =39025*99*4 = 25*4*99 = 100*99 = 9900250*32 = 250*4*8 = 1000*8

10除以9/5+6/1*4

常见以下几类题型:一、运用加法结合律进行简算(a+b)+c=a+(b+c) 或a+b+c+d=(a+c)+(b+d)例1、5.76+13.67+4.24+6.33=(5.76+4.24)+(13.67+6.33)=10+10=20例2、37.24+23.79-17.24=37.24-17.24+23.79=20+23.79=43.79二、运用乘法结

小学四年级简便计算题大全及答案例1、5.76+13.67+4.24+6.33 =(5.76+4.24)+(13.67+6.33) =10+10 =20 例2、37.24+23.79-17.24 =37.24-17.24+23.79 =20+23.79 =43.79 例3、 4*3.78*0.25 =4*0.25*3.78 =1*3.78 =3.78 例4、 125*246*0.8 =125*

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 3/8 ÷6 6. 4/7 * 5/9 + 3/7 * 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 * 5/6 + 5/6 10. 3/4 * 8/9 - 1/3 11. 7 * 5/49 + 3/14 12. 6 *( 1/2 + 2/3 ) 13. 8 * 4/5 + 8 *

a+b=b+a(a+b)+c=a+(b+c) a*b=b*a(a*b)*c=a*(b*c)(a+b)*c=a*c+b*c

73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25*16.2*43.72*3.5+6.28*3.5 36.8-3.9-6.1 2 5.48-(9.4-0.52)4.8*7.8+78*0.52 3.6*102 6.4*0.25+3.6÷432+4.9-0.9 4.8-4.8*0.5 (1.25-0.125)*84.8*100.1 56.5*9.9+56.5 7.09*10.8-0.8*7.094.02+5.4+0.98 5.17-1.

1.125*3+125*5+25*3+25 2.9999*3+101*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 * 49/9 - 4/3 5. 8/9 * 15/36 + 1/27 6. 12* 5/6 2/9 *3 7. 8* 5/4 + 1/4 8. 6÷ 3/8 3/8 ÷6 9. 4/7 * 5/9 + 3/7 * 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 * 5/6 + 5/6

网站首页 | 网站地图
All rights reserved Powered by www.hyfm.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com