【題目】直接寫得數:
+
=________ 30 ![]()
=________ 0.48÷0.6=________
﹣
=________
÷2=________ 3.5﹣3.05=________
÷
=________ 7
(
+
)=________
![]()
![]()
=________ 1﹣
=________
÷
=________ 4﹣
﹣
=________
0.25
12=________ ![]()
![]()
=________ 3.27+1.83=________
+
+
=________
【答案】
;18;0.8;
;
;0.45;
;3
;
;
;
;3;3;
;5.1;1 ![]()
【解析】解:
+
=
30×
=18 0.48÷0.6=0.8
﹣
= ![]()
÷2=
3.5﹣3.05=0.45
÷
=
7×(
+
)=3 ![]()
×
=
1﹣
=
÷
=
4﹣
﹣
=3
0.25×12=3
×
=
3.27+1.83=5.1
+
+
=1 ![]()
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