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3/4x()=()x7/3()-1/3=()+1/3=1.'||/||/-.(||\.\||\\`;||>|/||///|||//||\(\||``|||
题目详情
3/4x( )=( )x7/3( )-1/3=( )+1/3=1
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▼优质解答
答案和解析
3/4x(4/3)
=(3/7 )x7/3
=(4/3 )-1/3
=(2/3)+1/3
=1
=(3/7 )x7/3
=(4/3 )-1/3
=(2/3)+1/3
=1
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