(1)4.21*(-4/9)+4/7*(-2.79)+8*1/100(2)(-1又3/4)-(+6又1/3)-2.25+10/3-5(3)(-1又3/4)+(-6又1/3)+(-2.25)+10/3
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(1)4.21*(-4/9)+4/7*(-2.79)+8*1/100(2)(-1又3/4)-(+6又1/3)-2.25+10/3-5(3)(-1又3/4)+(-6又1/3)+(-2.25)+10/3
(1)4.21*(-4/9)+4/7*(-2.79)+8*1/100
(2)(-1又3/4)-(+6又1/3)-2.25+10/3-5
(3)(-1又3/4)+(-6又1/3)+(-2.25)+10/3
(1)4.21*(-4/9)+4/7*(-2.79)+8*1/100(2)(-1又3/4)-(+6又1/3)-2.25+10/3-5(3)(-1又3/4)+(-6又1/3)+(-2.25)+10/3
初一的数学题计算题啊!请大侠们速速解答!
(1)4.21*(-4/7)+4/7*(-2.79)+8*1/100
=-4/7*(4.21+2.79)+0.08
=-4/7*7+0.08
=-4+0.08
=-3.92
(2)(-1又3/4)-(+6又1/3)-2.25+10/3-5
=(-1又3/4-2.25)+(-6又1/3+10/3)-5
=-4-3-5
=-12
(3)(-1又3/4)+(-6又1/3)+(-2.25)+10/3
=(-1又3/4-2.25)+(-6又1/3+10/3)
=-4-3
=-7
(1)4.21*(-4/9)+4/7*(-2.79)+8*1/100(2)(-1又3/4)-(+6又1/3)-2.25+10/3-5(3)(-1又3/4)+(-6又1/3)+(-2.25)+10/3
4.21*(-4/7)+4/7*(2.79)+8*1/100*125 计算
4.21*-7分之4_+4分之7*-2.79+8*100分之1*125
4.21×(-4/7)×4/7×(-2.79)+8×1/109×125等于多少.求最简算法
求下列几道算术题的答案一定要有明确的过程!1.4323/182*3642.39*68*27/9/17/33.(574*275*87)/(82*25*29)4.21/9+22/9+23/9+24/95.5/(7/11)/(11/16)/(16/35)6.1/(2/3)/(3/4)/(4/5)/(5/6)/(6/7)/(7/8)
求下列几道算术题的答案,一定要有明确的过程!1.4323/182*3642.39*68*27/9/17/33.(574*275*87)/(82*25*29)4.21/9+22/9+23/9+24/95.5/(7/11)/(11/16)/(16/35)6.1/(2/3)/(3/4)/(4/5)/(5/6)/(6/7)/(7/8)
(7/20-5/36)*4-4/9 【1-(1/4+3/8)】/1/4
8/9×[3/4÷(7/16-1/4)]
8/9*{3/4-(7/16-1/4)}简算
简算;8/9*[3/4-(7/16-1/4)]
(1)1/4,4/9,7/16,10/25( )( )(2)2又1/4,4又4/9,6又7/16,( ) ( )
(19 4/9+9 4/19)÷(2 7/9+1 6/19)
找规律:13、1、()、2、9、()、7、4、
(-1/4-31/80)+(7/24+9/40)
-72*(1/4-5/9+7/12)/(-2)
数字推理-4/9,10/9,4/3,7/9,1/9,( )
规律填数 1 1/4 1/9 ( ) ( ) ( ) 1/4 4/9 7/16 10/25 ( ) ( )
(-8/9)×(-0.25)×(-1/4)×9=?(1又3/4-0.875-7/12)×(-1又1/7)=?(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)=?