脱式计算.1512-12×14 &nb
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:综合作业 时间:2024/05/16 15:34:15
脱式计算.
1512-12×14
23×35-86
(28+26)×24
35×(41-29)
1512-12×14
23×35-86
(28+26)×24
35×(41-29)
(1)1512-12×14
=1512-168
=1344;
(2)23×35-86
=805-86
=719;
(3)(28+26)×24
=54×24
=1296;
(4)35×(41-29)
=35×12
=420.
=1512-168
=1344;
(2)23×35-86
=805-86
=719;
(3)(28+26)×24
=54×24
=1296;
(4)35×(41-29)
=35×12
=420.