作业,几道数学题,小学六年级的啦脱式计算(能简算的要简算)(1)5又7/12+3/8-7/12+5/8 例如3/8读作8分之3(怕你们不懂 呵呵)(2)4又1/12-3又3/4*0.6除以3/4 *这个是称号 除号不懂打 ^_^(3)0.4*1.09除以
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![作业,几道数学题,小学六年级的啦脱式计算(能简算的要简算)(1)5又7/12+3/8-7/12+5/8 例如3/8读作8分之3(怕你们不懂 呵呵)(2)4又1/12-3又3/4*0.6除以3/4 *这个是称号 除号不懂打 ^_^(3)0.4*1.09除以](/uploads/image/z/2426440-40-0.jpg?t=%E4%BD%9C%E4%B8%9A%2C%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E5%B0%8F%E5%AD%A6%E5%85%AD%E5%B9%B4%E7%BA%A7%E7%9A%84%E5%95%A6%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97%28%E8%83%BD%E7%AE%80%E7%AE%97%E7%9A%84%E8%A6%81%E7%AE%80%E7%AE%97%29%281%295%E5%8F%887%2F12%2B3%2F8-7%2F12%2B5%2F8+++++++%E4%BE%8B%E5%A6%823%2F8%E8%AF%BB%E4%BD%9C8%E5%88%86%E4%B9%8B3%28%E6%80%95%E4%BD%A0%E4%BB%AC%E4%B8%8D%E6%87%82+%E5%91%B5%E5%91%B5%29%282%294%E5%8F%881%2F12-3%E5%8F%883%2F4%2A0.6%E9%99%A4%E4%BB%A53%2F4++++++%2A%E8%BF%99%E4%B8%AA%E6%98%AF%E7%A7%B0%E5%8F%B7++%E9%99%A4%E5%8F%B7%E4%B8%8D%E6%87%82%E6%89%93++%5E_%5E%283%290.4%2A1.09%E9%99%A4%E4%BB%A5)
作业,几道数学题,小学六年级的啦脱式计算(能简算的要简算)(1)5又7/12+3/8-7/12+5/8 例如3/8读作8分之3(怕你们不懂 呵呵)(2)4又1/12-3又3/4*0.6除以3/4 *这个是称号 除号不懂打 ^_^(3)0.4*1.09除以
作业,几道数学题,小学六年级的啦
脱式计算(能简算的要简算)
(1)5又7/12+3/8-7/12+5/8 例如3/8读作8分之3(怕你们不懂 呵呵)
(2)4又1/12-3又3/4*0.6除以3/4 *这个是称号 除号不懂打 ^_^
(3)0.4*1.09除以1/25
(4)(5.7*2又2/19-4又5/9)除以2/9
就这么几题,记得可以简便的要简便算哦,我明天要交了,所以最好能在今晚上答出来,答的好的加分奖励 ~
作业,几道数学题,小学六年级的啦脱式计算(能简算的要简算)(1)5又7/12+3/8-7/12+5/8 例如3/8读作8分之3(怕你们不懂 呵呵)(2)4又1/12-3又3/4*0.6除以3/4 *这个是称号 除号不懂打 ^_^(3)0.4*1.09除以
(1)5又7/12+3/8-7/12+5/8 例如3/8读作8分之3
=(5又7/12-7/12)+(3/8+5/8)
=5+1
=6
(2)4又1/12-3又3/4*0.6除以3/4
=4又1/12-15/4*3/5*4/3
=4又1/12-3
=1又1/12
(3)0.4*1.09除以1/25
=0.4*1.09*25
=(0.4*25)*1.09
=10*1.09
=10.9
(4)(5.7*2又2/19-4又5/9)除以2/9
=(57/10*40/19-4又5/9)除以2/9
=(12-4又5/9)*9/2
=7又4/9*9/2
=67/9*9/2
=67/2
=33又1/2
10*1.09
10.9
我也是6年级的,我怎么看不懂你写的什么啊
(1)5又7/12+3/8-7/12+5/8
=(5又7/12-7/12)+(3/8+5/8)
=5+1
=6
(2)4又1/12-3又3/4*0.6除以3/4
=4又1/12-3又3/4*3/5*4/3
=4又1/12-3又3/4*4/5
=49/12-3
=49/12-36/12
=13/12
(3)0.4*1...
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(1)5又7/12+3/8-7/12+5/8
=(5又7/12-7/12)+(3/8+5/8)
=5+1
=6
(2)4又1/12-3又3/4*0.6除以3/4
=4又1/12-3又3/4*3/5*4/3
=4又1/12-3又3/4*4/5
=49/12-3
=49/12-36/12
=13/12
(3)0.4*1.09除以1/25
=2/5*109/100*25
=2/5*109/4
=109/10
=10.9
(4)(5.7*2又2/19-4又5/9)除以2/9
=(5又7/10*40/19-41/9)*9/2
=(57/10*40/19-41/9)*9/2
=(3*4-41/9)*9/2
=(12-41/9)*9/2
=12*9/2-41/9*9/2
=54-41/2
=108/2-41/2
=67/2
=33.5
收起
(1)5又7/12+3/8-7/12+5/8=(5又7/12-7/12)+(3/8+5/8)=5+1=6
(2)4又1/12-3又3/4*0.6除以3/4=4又1/12-3又3/4*4/3*3/5=3又红1/12
(3)0.4*1.09除以1/25 =0.4*25*1.09=10.9
(4)(5.7*2又2/19-4又5/9)除以2/9=(12-4又5/9)*9/2
=33又1/2
简便运算关键在于平时多做题。
(1)(5又7/12-7/12)+(3/8+5/8)=5+1=6
(2)4又1/12-3又3/4*4/5*4/3=4又1/12-4=1/12
(3)2/5*19/10*15/1=19
(4)(57/10*40/19-41/9)*9/2=(12-41/4)*9/2=432/8-369/8=7又7/8
5又7/12+3又3/8-7/12+5/8
=(5又7/12-7/12)+(3又3/8+5/8)
=4+4
=8
4又1/12-3又3/4×0.6÷3/4
=4又1/12-15/4×3/5×4/3
=4又1/12-3
=1又1/12
0.4×1.09÷1/25
=2/5×1.09×25
=10×1.09
=10...
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5又7/12+3又3/8-7/12+5/8
=(5又7/12-7/12)+(3又3/8+5/8)
=4+4
=8
4又1/12-3又3/4×0.6÷3/4
=4又1/12-15/4×3/5×4/3
=4又1/12-3
=1又1/12
0.4×1.09÷1/25
=2/5×1.09×25
=10×1.09
=10.9
(5.7×2又2/19-4又5/9) ÷2/9
=(5又7/10×40/19-41/9)×9/2
=(5又7/10×40/19-41/9) ×9/2
=(12-41/9) ×9/2
=12×9/2-41/9×9/2
=54-20又1/2=33又1/2
多加点分,我打得累死了 !
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