问题
填空题
|
答案
(1)12.5×32×0.25
=12.5×(4×8)×0.25
=(12.5×8)×(4×2.5)
=100×10
=1000;
(2)36.7×10.1
=36.7×(10+0.1)
=36.7×10+36.7×0.1
=367+3.67
=370.67;
(3)3.7×5.4+4.6×3.7
=3.7×(5.4+4.6)
=3.7×10
=37.
|
(1)12.5×32×0.25
=12.5×(4×8)×0.25
=(12.5×8)×(4×2.5)
=100×10
=1000;
(2)36.7×10.1
=36.7×(10+0.1)
=36.7×10+36.7×0.1
=367+3.67
=370.67;
(3)3.7×5.4+4.6×3.7
=3.7×(5.4+4.6)
=3.7×10
=37.