| 475+660÷33×25 | 400-14![]() |
![]() | 5.84×1.36+1.36×3.16+1.36 |
| [1.9-6÷(2.4×5)]÷(14×0.2) | . |
=475+20×25
=475+500
=975;
(
)×36=
×36+
×36-
×36=20+
-33=18.5
[1.9-6÷(2.4×5)]÷(14×0.2)
=[1.9-6÷12]÷2.8
=[1.9-0.5]÷2.8
=1.4÷2.8
=0.5
400-14

=400-(
)=400-100
=300;
5.84×1.36+1.36×3.16+1.36
=1.36×(5.84+3.16+1)
=1.36×10
=13.6;

=

=[
+
-
]×12=[
+1-
]×12=
×12+1×12-
×12=8+12-3
=17.
分析:按四则运算顺序解答
点评:按四则运算法则解题,能用规律简算的可以简算.
