3 运动定律与简便运算
用递等式计算.(能简算的要用简便方法计算)
﹣
×(
+
) 2835÷27+741 64
×
+
×34
3
+3.52+7
+5.48 18÷1.5﹣5×0.3 (
﹣
)×(
+
)
混合运算.(能简算的要简算)
198﹣(98+37 ) 34×102
×40﹣
÷
80.3﹣33.3×0.5÷0.37 (
﹣
)×12÷0.1
×[
÷(
+
)].





×
+6
+3÷
(2﹣
×16)+
+
﹣
)
÷
÷
.
×[
﹣(
+
)]
×
÷
÷(3﹣
﹣
)
÷0.6×
÷(
+
﹣
)×36
×(
﹣
)
×
÷
[1﹣(
)]÷
÷
+
×
.
+(
﹣
﹣
+
+
﹣(
﹣
)


﹣(
+3
)
+8×(
﹣
)
+
×
.
﹣
②
﹣(
) ③
﹣
+
④6﹣(
﹣
)
+
)×13×16 12×(
+
+
)
.
+
﹣
.
×
×
(1+
)×12 5÷
﹣
÷
×
22÷(
+
)
÷8+
÷8.
+
﹣
) 87×

9÷(7﹣
÷
﹣
)
.
÷
﹣
×9×7
28÷14×
69÷
.
+
﹣
)
÷
×
4×0.8×0.25×12.5
+4.06÷
÷﹙
×
÷
﹚ (12﹣12×
)÷
.
÷7+
×
÷[(
+
)÷
]
÷7×
÷
﹣(
)
﹣
+
﹣
=
﹣(
+
)=
﹣(
﹣
)=
﹣(
﹣
)=
+
+
+
=
+
﹣
=
÷8+
×
÷[(
+
)÷
]
÷5×
×
﹣(
+2×
)
÷
﹣
×6+
÷
+
×6.
×
×18 6÷
+4×

)×(
﹣
) 15÷[×(1﹣
)]
+4﹣(
)
15﹣5÷12﹣

+
+
+
.
+12÷7
÷[1÷(
﹣
)] 3﹣
﹣
﹣(1﹣
)÷6.
÷
﹣
÷
+
+
)÷
99%×99+99% 4×8×1.25×25%
25×
600×20%+
.
.
+
)
25×(
×40%)×
+
+
×
+(1﹣
)+
.
+73÷4 [
﹣(
﹣
(
﹣
﹣
)×24
﹣
×(
﹣
)
﹣(
)
+
+
1
﹣
﹣
﹣
+
.
=
=
+□×
=
+
□=
+
﹣
②
+
+
③
+
+
+
+(
﹣
) ⑤
﹣
+
﹣
⑥
+(
+
)+
.
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