早教吧 育儿知识 作业答案 考试题库 百科 知识分享

在先算的那一步下面画上直线,如:(12-5)×4,再计算.84×2×4==107×3×2==260+19×4==6×(87+33)==(650-308)×4==936-36×8==

题目详情
在先算的那一步下面画上直线,如:(12-5)×4,再计算.
84×2×4
=
=
107×3×2
=
=
260+19×4
=
=
6×(87+33)
=
=
(650-308)×4
=
=
936-36×8
=
=
▼优质解答
答案和解析
(1)

=168×4
=672;
(2)

=321×2
=642;
(3)

=260+76
=336;
(4)

=6×120
=720;
(5)

=342×4
=1368;
(6)

=936-288
=648.