您现在的位置是:首页 > 学科知识查询 > 小学数学题库

简算题(1)33313×3(2)6.75×645+6.8×214+645(3)(51217×6.54+6.54×4517)÷35×80%.

编辑:chaxungu时间:2026-04-27 14:17:32分类:小学数学题库

简算题
(1)333
1
3
×3
(2)6.75×6
4
5
+6.8×2
1
4
+6
4
5

(3)(5
12
17
×6.54+6.54×4
5
17
3
5
×80%.(1)333
1
3
×3,
=
1000
3
×3,
=1000;
(2)6.75×6
4
5
+6.8×2
1
4
+6
4
5

=6.75×6.8+6.8×2.25+6.8,
=(6.75+2.25+1)×6.8,
=10×6.8,
=68;
(3)(5
12
17
×6.54+6.54×4
5
17
3
5
×80%,
=6.54×(5
12
17
+4
5
17
)×
5
3
×0.8,
=6.54×10×
5
3
×0.8,
=87.2.