混合
[0]
(+16) − (+7)
=
答え
ｘ
+9
[1]
(+18) ＋ (-8)
=
答え
ｘ
+10
[2]
(-7) ✕ (-2)
=
答え
ｘ
+14
[3]
(+14) ＋ (-17)
=
答え
ｘ
-3
[4]
(+9) ✕ (+7)
=
答え
ｘ
+63
[5]
(+10) ＋ (-12)
=
答え
ｘ
-2
[6]
(+6) ✕ (+6)
=
答え
ｘ
+36
[7]
(+18) ＋ (-13)
=
答え
ｘ
+5
[8]
(+7) ＋ (+7)
=
答え
ｘ
+14
[9]
(-3) ✕ (+4)
=
答え
ｘ
-12
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