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附加题:巧算(519+…+519)×115(19个)3.41×9.9×0.38÷0.19÷3310÷1.1.
题目详情
附加题:巧算
(
+…+
)×
(19个)
3.41×9.9×0.38÷0.19÷3
÷1.1.
+…+
)×
(19个)
3.41×9.9×0.38÷0.19÷3
÷1.1.
5 5 19 19
)×
(19个)
3.41×9.9×0.38÷0.19÷3
÷1.1.
5 5 19 19
(19个)
3.41×9.9×0.38÷0.19÷3
÷1.1.
1 1 15 15
3
÷1.1.
3 3 10 10
(
5 |
19 |
5 |
19 |
1 |
15 |
3.41×9.9×0.38÷0.19÷3
3 |
10 |
5 |
19 |
5 |
19 |
1 |
15 |
3.41×9.9×0.38÷0.19÷3
3 |
10 |
5 |
19 |
5 |
19 |
1 |
15 |
3.41×9.9×0.38÷0.19÷3
3 |
10 |
5 |
19 |
1 |
15 |
3.41×9.9×0.38÷0.19÷3
3 |
10 |
1 |
15 |
3
3 |
10 |
3 |
10 |
▼优质解答
答案和解析
(1)(
+…+
)×
(19个)
=
×19×
=5×
=
(2)3.41×9.9×0.38÷0.19÷3
÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6
5 5 519 19 19+…+
)×
(19个)
=
×19×
=5×
=
(2)3.41×9.9×0.38÷0.19÷3
÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6
5 5 519 19 19)×
(19个)
=
×19×
=5×
=
(2)3.41×9.9×0.38÷0.19÷3
÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6
1 1 115 15 15 (19个)
=
×19×
=5×
=
(2)3.41×9.9×0.38÷0.19÷3
÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6
5 5 519 19 19×19×
=5×
=
(2)3.41×9.9×0.38÷0.19÷3
÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6
1 1 115 15 15
=5×
=
(2)3.41×9.9×0.38÷0.19÷3
÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6
1 1 115 15 15
=
(2)3.41×9.9×0.38÷0.19÷3
÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6
1 1 13 3 3
(2)3.41×9.9×0.38÷0.19÷3
÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6 3
3 3 310 10 10÷1.1
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
×18
=18.6
10 10 1033 33 33×18
=18.6
5 |
19 |
5 |
19 |
1 |
15 |
=
5 |
19 |
1 |
15 |
=5×
1 |
15 |
=
1 |
3 |
(2)3.41×9.9×0.38÷0.19÷3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6
5 |
19 |
5 |
19 |
1 |
15 |
=
5 |
19 |
1 |
15 |
=5×
1 |
15 |
=
1 |
3 |
(2)3.41×9.9×0.38÷0.19÷3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6
5 |
19 |
1 |
15 |
=
5 |
19 |
1 |
15 |
=5×
1 |
15 |
=
1 |
3 |
(2)3.41×9.9×0.38÷0.19÷3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6
1 |
15 |
=
5 |
19 |
1 |
15 |
=5×
1 |
15 |
=
1 |
3 |
(2)3.41×9.9×0.38÷0.19÷3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6
5 |
19 |
1 |
15 |
=5×
1 |
15 |
=
1 |
3 |
(2)3.41×9.9×0.38÷0.19÷3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6
1 |
15 |
=5×
1 |
15 |
=
1 |
3 |
(2)3.41×9.9×0.38÷0.19÷3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6
1 |
15 |
=
1 |
3 |
(2)3.41×9.9×0.38÷0.19÷3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6
1 |
3 |
(2)3.41×9.9×0.38÷0.19÷3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6 3
3 |
10 |
=3.41÷3.3×(9.9÷1.1)×(0.38÷0.19)
=3.41÷3.3×9×2
=3.41×
10 |
33 |
=18.6
10 |
33 |
=18.6
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