
六年级数学计算题。。。急急。。请大家帮帮忙。。。(要有过程)
3个回答
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6又3/5×1.25+3又2/5÷4/5
=(33/5)*(5/4)+(17/5)*5/4
=(33/4)+(17/4)
=50/4
=25/2=12又1/2
54×10又17/53
=54*547/53
=29538/53
=557又17/53
或54×10又17/53
=(53+1)*(10又17/53)
=(530+17)+10又17/53
=557又17/53
=(33/5)*(5/4)+(17/5)*5/4
=(33/4)+(17/4)
=50/4
=25/2=12又1/2
54×10又17/53
=54*547/53
=29538/53
=557又17/53
或54×10又17/53
=(53+1)*(10又17/53)
=(530+17)+10又17/53
=557又17/53
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