1. Вычислите
1) 3+3*2[3*3-3*(3:3)]:3=
2) [450:5:(3*6)+35]*7-140+(540:60+7)*63:9=
3) [500-(3500:700*80-40*9)*(64:8)]:9-(72:6):(81:27)=
4) 2*{350:[491-3*(125-78)]+350}=
Помогите
1) 3+3*2[3*3-3*(3:3)]:3=
2) [450:5:(3*6)+35]*7-140+(540:60+7)*63:9=
3) [500-(3500:700*80-40*9)*(64:8)]:9-(72:6):(81:27)=
4) 2*{350:[491-3*(125-78)]+350}=
Помогите
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