68:51 0.25:2 1/20:1/40 4:1/20 1.8:3/7 6/5:0.24 求最
1个回答
68:51=4:3
0.25:2=1:8
1/20:1/40=2:1
4:1/20=80:1
1.8:3/7=21:5
6/5:0.24=5:1
相关问题
0.7*0.5*8= 7*7*7= 12*4*0.6= 20*20*20= 7*0.1*0.8= 40*40*40= 3
20.5除1.25和0.68乘9.4减6.8乘0.24加68乘百分之3怎么简便
(1)4.5×10.2 (2)(5.6+0.28)÷0.7 (3)51.6÷[(5.4-3.25)×0.8] (4)1.
12.53-1.35乘2-9.3 0.8乘(4-3.75除)0.1 13.5乘0.68除8.5 20-【7.8+(6.2
化简下面各比.20:8 36:2 102:68 1/3:4/5 3/7:5/21 4/15:4/25 0.32:0.8
直接写得数33×20=56÷7=0÷47=72+28=0×51=1.8-1=20×24=210÷5=4.2-3.8=11
0.8*(4-3.75)÷0.1 13.5*0.8÷8.5 20-[7.5+(6.2+1.29
2.4*1.25*0.3和842.4*6.7+8.24*31+0.824*20的简便运算怎么算
脱式计算:(1)0.25×〔[7/20]÷(4-2.4×[5/6])〕(2)〔1[4/9]-8.19÷(5.25+1[3