第1个回答 2011-10-29
5.3÷4+2.7×0.25
=5.3×0.25+2.7×0.25
=（5.3+2.7）×0.25
=8×0.25
=2本回答被提问者采纳
第2个回答 2011-10-29
5.3÷4就是5.3×0.25这样的话就是（5.3+2.7）×0.25。这样可以了吗？
第3个回答 2011-10-29
5.3÷4+2.7×0.25
=5.3×1/4+2.7×1/4
=1/4*(5.3+2.7)
=1/4*8
=2
第4个回答 2011-10-29
=5.3×1/4 +2.7×1/4=（5.3+2.7）×1/4=8×1/4=2