混合
[0]
(+18) − (+14)
=
答え
ｘ
+4
[1]
(-6) ✕ (+4)
=
答え
ｘ
-24
[2]
(-2) ✕ (-5)
=
答え
ｘ
+10
[3]
(+6) ＋ (+9)
=
答え
ｘ
+15
[4]
(-7) ＋ (+8)
=
答え
ｘ
+1
[5]
(-8) ＋ (-19)
=
答え
ｘ
-27
[6]
(+8) − (+16)
=
答え
ｘ
-8
[7]
(+3) ✕ (-7)
=
答え
ｘ
-21
[8]
(+5) ✕ (+5)
=
答え
ｘ
+25
[9]
(-9) ＋ (-16)
=
答え
ｘ
-25
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