第1个回答 2009-11-01
(23/4+8/3×21/16)÷3/2
=(23/4+7/2)*(2/3)
=23/4*2/3+7/2*2/3 (乘法分配律)
=23/6+7/3
=37/6
2/3÷4/3+5/7+3/14×4/3
=2/3*3/4+5/7+2/7
=1/2+(5/7+2/7) (加法结合律)
=1/2+1
=1.5(1又2分之1)本回答被提问者采纳
第2个回答 2009-11-01
(23/4+8/3×21/16)÷3/2=(23/4+7/2)*(2/3)=37/4 * 2/3=37/6
2/3÷4/3+5/7+3/14×4/3=2/3* 3/4 +5/7 +4/14=1/2+5/7+2/7=1/2+1=1.5
第3个回答 2009-11-01
(23/4+8/3×21/16)÷3/2
=(23/4+7/2)*(2/3)
=23/4*2/3+7/2*2/3
=23/6+7/3
=37/6
第4个回答 2009-11-01
白痴啊你,这么简单都不会做
第5个回答 2022-03-15
答案如图
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