题目内容

比比谁的口算能力强.
2.37+0.63=
436-297=1-3÷7=0.99×9+0.99=
7
13
=
16×25%=0.72÷0.6=1-50%-
1
3
=
6
5
+
1
6
+
4
5
=
1.25×0.16×8=
5
7
×0÷
5
11
=
1
2
+
1
3
-
1
2
+
1
3
=
(1)2.37+0.63=3(2)436-297=139(3)1-3÷7=
4
7
(4)0.99×9+0.99=9.9(5)1÷
7
13
=
13
7
(6)16×25%=4(7)0.72÷0.6=1.2(8)1-50%-
1
3
=
1
6
(9)
6
5
+
1
6
+
4
5
=2
1
6
(10)1.25×0.16×8=1.6
(11)
5
7
×0÷
5
11
=0
(12)
1
2
+
1
3
-
1
2
+
1
3
=
2
3
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