口算我最棒! 3× 1 7 × 1 3 = 5 8 × 3 5 = 1 4 × 3 8 ×4 = ( 1 7 + 1 6

口算我最棒!
1
7
×
1
3
=
5
8
×
3
5
=
1
4
×
3
8
×4
=
(
1
7
+
1
6
)×42
=
3
4
×
1
6
=
2
5
×9+
2
5
=
3
4
×5-
3
4
=
(
1
3
+
1
2
)×6
=
16×
1
3
×6
=
xjnfox 1年前 已收到1个回答 举报

alexabc168 幼苗

共回答了22个问题采纳率:95.5% 举报

①3×
1
7 ×
1
3 =
1
7 ; ②
5
8 ×
3
5 =
3
8 ; ③
1
4 ×
3
8 ×4=
3
8 ;
④(
1
7 +
1
6 )×42=13; ⑤
3
4 ×
1
6 =
1
8 ;⑥
2
5 ×9+
2
5 =4;

3
4 ×5-
3
4 =3; ⑧(
1
3 +
1
2 )×6=5; ⑨16×
1
3 ×6=32.

1年前

9
可能相似的问题
Copyright © 2024 YULUCN.COM - 雨露学习互助 - 17 q. 0.131 s. - webmaster@yulucn.com