| 用递等式计算。 | ||||
|
| (1)75×24+836÷4 =1800+209 =2009 | (2)(7.6-3.6÷2)×1.5 =(7.6-1.8)×1.5 =5.8×1.5 =8.7 |
(3)![]() = ![]() = ×(9+7)= ×16=7 | (4)![]() = ![]() = ![]() = ![]() = ![]() |
编辑:chaxungu时间:2026-04-27 13:22:49分类:小学数学题库
| 用递等式计算。 | ||||
|
| (1)75×24+836÷4 =1800+209 =2009 | (2)(7.6-3.6÷2)×1.5 =(7.6-1.8)×1.5 =5.8×1.5 =8.7 |
(3)![]() = ![]() = ×(9+7)= ×16=7 | (4)![]() = ![]() = ![]() = ![]() = ![]() |