问题
解答题
|
答案
(1)1.29+3.7+0.71+6.3,
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
(2)125×89×8,
=125×8×89,
=1000×89,
=89000.
|
(1)1.29+3.7+0.71+6.3,
=(1.29+0.71)+(3.7+6.3),
=2+10,
=12;
(2)125×89×8,
=125×8×89,
=1000×89,
=89000.