文档介绍：计算综合运算时，先
脱式计算
再 ，有括号的先算 ，没有括
号时 ，等号写在算式的 。
（234-155 ）×6 268×6-98 236-100×2 （52+56 ）×6
= =
= =
=
计算综合运算时，先
脱式计算
再 ，有括号的先算 ，没有括
号时 ，等号写在算式的 。
（234-155 ）×6 268×6-98 236-100×2 （52+56 ）×6
= =
= =
= =
=
4×156+891 8 ×（365-246 ） 781-81 ×5
=
152×4-351
=
= = =
=
= =
=
56×0+256 78 ×(4+4) 265-(156+52) (63-63) ×6
= =
=
=
=
=
= = =
81÷9+752 561-45+452 156+56 ÷8 72 ÷8×9
= = =
= = = =
636+0-636 752-52+63 563 ×3-169 372-196+542
=
= = =
= = = =
（25+63）-72 854+36-678 64 ÷（96-88） 563 ×1-346
=
= = =
= = = =
63÷7×9
（98-7）÷9 563 ×1+26 251 ×6×0
=
= = =
= = = =
46+96×1 56÷7×0
（598-436 ）×5 625+26-681
= = = =
= = = =
586×5-596
845-762+152 (632-512)+63 56+(842-632)
= = = =
= = = =