如题所述
用乘法分配律简算
原式=2.6+2.6×99
=2.6×(1+99)
=2.6×100
=260
原式=2.6+2.6×99
=2.6×(1+99)
=2.6×100
=260
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第1个回答 2020-09-14
=2.6+2.6×99
=2.6×(1+99)
=2.6×100
=260
=2.6×(1+99)
=2.6×100
=260