yhkn.net
当前位置:首页 >> 17.5÷1.25÷0.08脱式计算 >>

17.5÷1.25÷0.08脱式计算

17.5÷1.25÷0.08脱式计算 =17.5÷(1.25x0.08) =17.5÷0.1 =175

(1)17.4÷0.8÷1.25,=17.4÷(0.8×1.25),=17.4÷1,=17.4;(2)1.8÷0.2÷0.3,=1.8÷(0.2×0.3),=1.8÷0.06,=30;(3)24÷O.6+0.6÷24,=40+0.025,=40.025;(4)17.94÷3.9+5.3×0.4,=4.6+0.12,=4.72.

①1.258×18.5-0.258×18.5,=18.5×(1.258-0.258),=18.5×1,=18.5;②8.48÷0.8×0.9,=10.6×0.9,=9.54;③1.25×2.4,=1.25×8×0.3,=10×0.3,=3;④5.85÷(1.3+0.5)×6,=5.85÷1.8×6,=3.25×6,=19.5.

=400÷1.25x8÷8 = =400÷10x8 =320

你这表达,没看懂

(1)51.6÷[(3 2 5 -1.25)× 4 5 ],=51.6÷[(3.4-1.25)× 4 5 ],=51.6÷[2.15× 4 5 ],=51.6÷1.72,=30;(2)( 5 6 - 3 4 )÷( 1 4 + 1 6 ),= 1 12 ÷ 5 12 ,= 1 12 × 12 5 ,= 1 5 .

(1)1.25× 3 7 ×4× 7 15 ,=(1.25×4)×( 3 7 × 7 15 ),=5× 1 5 ,=1;(2) 8 17 ×9 -8 ÷ 17 8 ,= 8 17 ×9 -8× 8 17 ,=(9-8)× 8 17 ,=1× 8 17 ,= 8 17 ;(3)4.28+ 3 4 +5.72+ 1 4 ,=(4.28+5.72)+( 3 4 + 1 4 ),=10+1,=11.

4.2×1.25+4.8÷(4/5)-5/4 =4.2x5/4+4.8x5/4-5/4 =(4.2+4.8-1)x5/4 =8x5/4 =10

(1)45.55-(6.82+15.55) (2)34.52-17.87-12.23(3)6.43-(1.4-0.57) (4)23.75-8.64-3.46(5)17.83-9.5-7.83-0.5 (6)5.38+88.2-2.38+1.8(7)27.38-5.34+2.62-4.66 (8)21.63-(8.5+9.63) (9)7.5-2.45+7.5+2.45 (10)0.9+0.99+0....

(1)0.25×1.25×4×8,=(0.25×4)×(1.25×8),=1×10,=10;(2)2.125×14+1.875÷4,=(2.125+1.875)×14,=4×14,=1;(3)(2.5-0.125)×0.8+6.24,=2.5×0.8-0.125×0.8+6.24,=2-0.1+6.24,=8.14,(4)2÷23-23÷2,=2×32-23×12,=3-13,=223;...

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