6.8×99+6.8的简便运算
第1个回答 2017-12-05
=6.8×(99+1)
=6.8×100
=680
=6.8×100
=680
第2个回答 2017-12-05
6.8×99+6.8
=6.8x(99+1)
=6.8x100
=680
希望能帮到你!
=6.8x(99+1)
=6.8x100
=680
希望能帮到你!
第3个回答 2017-12-05
6.8×99+6.8
=6.8x(99+1)
=6.8x100
=680本回答被提问者采纳
=6.8x(99+1)
=6.8x100
=680本回答被提问者采纳