1) 44+105-76:38•29-86
2) 694-404:2+8-13•38
3) 688:86+16•62-3•331
4) 2•208:(961-698-254+43
5) 647+280:35-17•(33+5)
6) 5•(95+105-8):(592-496)
7) 4•(451-449)+963:(327-6)
8) 13-916:(675-675+2•449)
Пожалуйста по действиям решите пж
Ответы на вопрос
1) 44 + 105 - 76 ÷ 38 × 29 - 86 = 5;
1. 76 ÷ 38 = 2;
2. 2 × 29 = 58;
3. 44 + 105 = 149;
4. 149 - 58 = 91;
5. 91 - 86 = 5;
2) 649 - 404 ÷ 2 + 8 - 13 × 38 = 6;
1. 404 ÷ 2 = 202;
2. 13 × 38 = 494;
3. 694 - 202 = 492;
4. 492 + 8 = 500;
5. 500 - 494 = 6;
3) 688 ÷ 86 + 16 × 62 - 3 × 331 = 7;
1. 688 ÷ 86 = 8;
2. 16 × 62 = 992;
3. 3 × 331 = 993;
4. 8 + 992 = 1000;
5. 1000 - 993 = 7;
4) 2 × 208 ÷ (961 - 698 - 254 + 43) = 8;
1. 961 - 698 = 263;
2. 263 - 254 = 9;
3. 9 + 43 = 52;
4. 2 × 208 = 416;
5. 416 ÷ 52 = 8;
5) 647 + 280 ÷ 35 - 17 × (33 + 5) = 9;
1. 33 + 5 = 38;
2. 280 ÷ 35 = 8;
3. 17 × 38 = 646;
4. 647 + 8 = 655;
5. 655 - 646 = 9;
6) 5 × (95 + 105 - 8) ÷ (592 - 496) = 10;
1. 95 + 105 = 200;
2. 200 - 8 = 192;
3. 592 - 496 = 96;
4. 5 × 192 = 960;
5. 960 ÷ 96 = 10;
7) 4 × (451 - 449) + 963 ÷ (327 - 6) = 11;
1. 451 - 449 = 2;
2. 327 - 6 = 321;
3. 4 × 2 = 8;
4. 963 ÷ 321 = 3;
5. 8 + 3 = 11;
8) 13 - 916 ÷ (675 - 675 + 2 × 449) = 12;
1. 2 × 449 = 898;
2. 675 - 675 = 0;
3. 916 ÷ 898 = 1,02;
4. 13 - 1,02 = 11,98 ≈ 12;