15\/27加1\/9?
15\/27+1\/9 =5\/9+1\/9 =6\/9 =2\/3
15\/27+1\/9等于多少脱式?
15\/27+1\/9 =5\/9+1\/9 =6\/9 =2\/3
1\/9=几分之几加几分之几加几分之几加几分之几?
1\/9 = 1\/25 + 1\/27 + 1\/30 + 1\/1350 1\/9 = 1\/26 + 1\/36 + 1\/39 + 1\/52 1\/9 = 1\/27 + 1\/30 + 1\/45 + 1\/54 1\/9 = 1\/28 + 1\/30 + 1\/36 + 1\/70
简便计算16\/27-1\/9等于多少?
16\/27-1\/9 =16\/27-3\/27 =13\/27 通分计算,没有什么巧算。望采纳,谢谢
有理数加减混合运算,怎么计算?
难点:准确地掌握有理数的运算顺序和运算中的符号问题. 课堂教学过程设计 一、从学生原有认知结构提出问题 1.计算(五分钟练习): (5)-252; (6)(-2)3;(7)-7+3-6; (8)(-3)×(-8)×25; (13)(-616)÷(-28); (14)-100-27; (15)(-1)101; (16)021; (17)(-2)4; (18)(-4)2; (19...
求达人帮忙看看,这道题该怎么做,要有过程哦,谢谢
1、计算: (1)-5-9+3; (2)10-17+8; (3)-3-4+19-11; ...
14\/9+3\/27等于多少的过程?
14\/9+3\/27 =42\/27+3\/27 =45\/27 =5\/3.
脱式机算怎么算?
1\/5+1\/15+9\/10 =3\/15+1\/15+9\/10 =4\/15+9\/10 =8\/30+27\/30 =35\/30 =7\/6
17.计算题:(18分) (1) (-4)+33 ( (-67\/
(一)计算题:(1)(-4)(+6)(-7) (2)(-27)(-25)(-3)(-4) (3)0.001*(-0.1)*(1.1) (4)24*(-5\/4)*(-12\/15)*(-0.12) (5)(-3\/2)(-4\/3)(-5\/4)(-6\/5)(-7\/6)(-8\/7) (6)(-24\/7)(11\/8+7\/3-3.75)*24(二)用简便方法计算:...
9\/20×15\/27详细过程?
这个先约分,化成最简分数9\/20*5\/9,再找对应的最大公因数,9和9约去一个9,20和5约去5,4和1,最后变成1\/4