3991/2*73+6/25*730+153.3
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![3991/2*73+6/25*730+153.3](/uploads/image/z/1616975-71-5.jpg?t=3991%2F2%2A73%2B6%2F25%2A730%2B153.3)
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3991/2*73+6/25*730+153.3
3991/2*73+6/25*730+153.3
3991/2*73+6/25*730+153.3
3991/2*73+6/25*730+153.3
=(3991/2)*73+(6/25)*730+(73*21)/10
=(3991/2)*73+(12/5)*73+(21/10)*73
=73*(3991/2+12/5+21/10)
=73*[(19955+24+21)/10]
=73*(20000/10)
=146000
3991/2*73+6/25*730+153.3
1995 1/2*73+6/25*730+153.3
1995 1/2*73+6/25*730+153.3咋算快是1995又2分之1
2004又1/2*73+6/25*730+153.3-90*7.3=?
计算1+3/2+5/2^2+7/2^3+...+(2*1993+1)/2^1993RT选择A.6-3991/2^1993 B.3-3991/2^1994 C.6-3991/2^1994 D.3-3991/2^1993
73分之6 12分之1 37分之3 23分之2 25分之2哪个大
4 1 2 41 2 0 210 1 1 73 1 4 1 3 -1 2 11 2 3 25 0 6 2
0 1 2 9 (730) 找规律
730÷(5×73)简便算法,要脱式
72*2,09-1,8*73,6 简便算法
***91*4*6 5****6***73****6*1*9***5****24*1*73***上面得弄错了少一行***91*4*6 5****6***1*4*8****7******5**1*****8**2******3****6*1*9***5****24*1*73***
一吨730块钱!1吨2多少钱啊!
1年级73+2等于
行测题,1.2,3,2,6,3,8,6,( ) A:3 B:4 C:9 D:82.23,2,21,6,19,12,17,( ) A:13 B:20 C:15 D:183.-26,-6,2,4,6,( ) A:13 B:14 C:12 D:114.0,1,1,2,4,7,13,( ) A:23 B:25 C:22 D:245.5,10,26,65,145,( ) A:257 B:226 C:197 D:2906.0,1,2,9,( ) A:36 B:730 C:27 D:11需
求几道数列题的解法1.3,7/4,1,1/2,()2.2/3,1/7,3/13,6/21,()3.129,107,73,17,-73,()4.11,103,1005,1007,()5.1/2,1/5,1/5,2/25,2/125,()
4道方程题,73-3(x-1)=706 2:2(2x-15)=6(4x-9)3.(x-8)÷2=(2x-2)÷3 4:50-7(3-y)=(y+7)+25
用简便方法计算怎样做?(1)3.7*1.4*0.05 (2)72*0.81+10.4 (3)1.4*25+3.45 (4)2.7*3.7+0.37*73(5)4.05/0.5+10.75 (6)21.6/0.8-1.2*5 (7)8.4*6.9/(6.44-4.14) (8)4.8*0.27+0.52*2.7(1)3.7*1.4*0.05 (2)72*0.81+10.4 (3)1.4*25+3.45 (4)2.7*3.7+0.37*73(5)4.05/0.
48乘以73加上5.2乘以730简便计算