数学简便运算题六年级?1.6与3又2分之5的和:1.6+3又2分之5=1.6+5.5=7.1 A被B除:A/B=22.3/7.1=自己算 不过我倾向于认为你题目抄错了:3又2分之5应该是3又5分之2吧?那么,数学简便运算题六年级?一起来了解一下吧。
(1)2/3+(4/7+1/2)X7/25
=2/3+(8/14+7/14)X7/25
=2/3+15/14X7/25
=2/3+3/2X1/5
=2/3+3/10
=20/30+9/30
=29/30
用简便方法计算.
4 +3.2+5 +6.8 25×(8×0.4)×1.25 7 又4/15-(2又4/15 -1/23)
=4+5+(3.2+6.8) =25×0.4×(8×1.25) =7 又4/15-2又4/15 +1/23
=9+10 =10× 10 =5+1/23
=19 =100 =5又1/23
(11/12+7/18+5/24 )×72 93.5÷3又1/2 ÷ 2/7 16÷2.5
=11/12×72+7/18×72+5/24×72 =93.5÷7/2× 7/2 =16÷5/2
=66+28+15 =93.5 =16×2/5
=109 =32/5
1125-997 998+1246+9989 (8700+870+87)÷87
=1125-1000+3 =1000-2+1246+10000-11 =8700÷87+870÷87+87÷87
=125+3 =11000+1246-13 =100+10+1
=128 =12233 =111
125×8.8 1.3+4.25+3.7+3.75 17.15-(3.5-2.85)
=125×8+125×0.8 =1.3+3.7+(4.25+3.75) =17.15+2.85-3.5
=1000+100 =5+8 =20-3.5
=1100 =13 =16.5
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第二道题:(含有分数的到时候在发给你——图(不好打))=1.66*5.4+1.66*3.6+1.66*1=1.66*(5.4+3.6+1)=16.6
希望采纳,板栗是人肉打字啊.......

1 2/3+(4/7+1/2)*7/252/3+(8/14+7/14)X7/25
2 16.6*0.54+16.6*0.36+1.66
3 1/3/4/5+2/3*5/4 = 1/3*5/4+2/3*5/4
4(7+1/2)/(3+3/4)*(4/35-(2+2/3)15/2/15/4*(4/35-7/4)你第个题目错了吧 应该是35分之4/2又3分之2 不是减吧
以上就是数学简便运算题六年级的全部内容,3/5×1/11×6/13+5/11×1/5×3/13+1/13×2/11×2/5 =1/5×1/11×﹙18/13+15/13+4/13﹚=1/5×1/11×37/13 =37/715,内容来源于互联网,信息真伪需自行辨别。如有侵权请联系删除。