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直接写出得数.1-23=45+15=340-70=41×2=23×0=60÷7=1800×3=18÷9+7=416×5≈524-398≈

题目详情
直接写出得数.
1-
2
3
=
4
5
+
1
5
=
340-70=41×2=23×0=
60÷7=1800×3=18÷9+7=416×5≈524-398≈

1-
2
3
=
4
5
+
1
5
=
340-70=41×2=23×0=
60÷7=1800×3=18÷9+7=416×5≈524-398≈
1-
2
3
=
4
5
+
1
5
=
340-70=41×2=23×0=60÷7=1800×3=18÷9+7=416×5≈524-398≈1-
2
3
=
4
5
+
1
5
=
340-70=41×2=23×0=1-
2
3
=
2
3
=
2
3
232233
4
5
+
1
5
=
4
5
+
1
5
=
4
5
454455
1
5
=
1
5
151155340-70=41×2=23×0=60÷7=1800×3=18÷9+7=416×5≈524-398≈60÷7=1800×3=18÷9+7=416×5≈524-398≈
▼优质解答
答案和解析
(1)1-
2
3
=
1
3

(2)
4
5
+
1
5
=1;
(3)340-70=270;
(4)41×2=82;
(5)23×0=0;
(6)60÷7=
60
7

(7)1800×3=5400;
(8)18÷9+7=9;
(9)416×5≈2100;
(10)524-398≈124.
故答案为:
1
3
,1,270,82,0,
60
7
,5400,9,2000,2100,124.
2
3
23222333=
1
3

(2)
4
5
+
1
5
=1;
(3)340-70=270;
(4)41×2=82;
(5)23×0=0;
(6)60÷7=
60
7

(7)1800×3=5400;
(8)18÷9+7=9;
(9)416×5≈2100;
(10)524-398≈124.
故答案为:
1
3
,1,270,82,0,
60
7
,5400,9,2000,2100,124.
1
3
13111333;
(2)
4
5
+
1
5
=1;
(3)340-70=270;
(4)41×2=82;
(5)23×0=0;
(6)60÷7=
60
7

(7)1800×3=5400;
(8)18÷9+7=9;
(9)416×5≈2100;
(10)524-398≈124.
故答案为:
1
3
,1,270,82,0,
60
7
,5400,9,2000,2100,124.
4
5
45444555+
1
5
=1;
(3)340-70=270;
(4)41×2=82;
(5)23×0=0;
(6)60÷7=
60
7

(7)1800×3=5400;
(8)18÷9+7=9;
(9)416×5≈2100;
(10)524-398≈124.
故答案为:
1
3
,1,270,82,0,
60
7
,5400,9,2000,2100,124.
1
5
15111555=1;
(3)340-70=270;
(4)41×2=82;
(5)23×0=0;
(6)60÷7=
60
7

(7)1800×3=5400;
(8)18÷9+7=9;
(9)416×5≈2100;
(10)524-398≈124.
故答案为:
1
3
,1,270,82,0,
60
7
,5400,9,2000,2100,124.
60
7
607606060777;
(7)1800×3=5400;
(8)18÷9+7=9;
(9)416×5≈2100;
(10)524-398≈124.
故答案为:
1
3
,1,270,82,0,
60
7
,5400,9,2000,2100,124.
1
3
13111333,1,270,82,0,
60
7
,5400,9,2000,2100,124.
60
7
607606060777,5400,9,2000,2100,124.