问题
解答题
|
答案
30×
=25; 2-2÷3=15 6
; 1 3
+7 9
-7 19
=7 9
; 7 19
1.52=2.25;28.26-3.14=25.12; 99×
=9797 98
;97 98
28÷
=49; (49-4 7
)×7 8
=274 7
; 0.63=0.216;1 2
1÷
=22 5
.1 2
故答案为:25,1
,1 3
,2.25,25.12,977 19
,49,2797 98
,0.216,21 2
.1 2