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比比谁的口算能力强.2.37+0.63=436-297=1-3÷7=0.99×9+0.99=1÷713=16×25%=0.72÷0.6=1-50%-13=65+16+45=1.25×0.16×8=57×0÷

题目详情
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
=
▼优质解答
答案和解析
(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