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kerjain yang dalam kurung dulu, jadinya
-3 + 7 + (-4) +7 - 10
-3 + 7 = 4
4 + (-4) -> + ketemu - jadinya -
4 - 4 = 0
0 + 7 = 7
7 - 10 = -3
-3+7+(-4)+7-10=
4+(-4)-3=
-3