脱式计算。(能简算的要简算)
|
(1)原式=66×![]() = ![]() | (2)原式= ×( + )= ![]() |
(3)原式=50×![]() = ![]() | (4)原式=( + )× + ÷![]() = × + ×![]() = ![]() |
(5)原式= ÷![]() = ![]() | (6)原式=( + )×29×![]() =8×29× ![]() =290 |
编辑:chaxungu时间:2026-04-27 14:17:10分类:小学数学题库
脱式计算。(能简算的要简算)
|
(1)原式=66×![]() = ![]() | (2)原式= ×( + )= ![]() |
(3)原式=50×![]() = ![]() | (4)原式=( + )× + ÷![]() = × + ×![]() = ![]() |
(5)原式= ÷![]() = ![]() | (6)原式=( + )×29×![]() =8×29× ![]() =290 |
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