1. 2,5
2. 16 2/3
3. 1 35/43
4. 17/83
Пошаговое объяснение:
1. 2 3/4:(5 1/2- 4 2/5)
2.(4 3/8+12 7/24)
3.(5 1/6+7 5/6):(9 2/3-2 11/22)
4.(6 2/3-5 1/4):(2 3/4+4 1/6)
1. 2,5
2. 16 2/3
3. 1 35/43
4. 17/83
Пошаговое объяснение:
1. 2 3/4:(5 1/2- 4 2/5)
11/4:(11/2-22/5)11/4:11/1011/4×10/111/4×101/2×55/22 1/22,52.(4 3/8+12 7/24)
(4+12)+(3/8+7/24)16+2/316 2/33.(5 1/6+7 5/6):(9 2/3-2 11/22)
((5+7)+(1/6+5/6)÷(29/3-55/22)(12+1)÷43/613÷43/613×6/4378/431 35/434.(6 2/3-5 1/4):(2 3/4+4 1/6)
(20/3-21/4):((2+4)+(3/4+1/6))17/12:(6+11/12)17/12 : 6 11/1217/12: 83/1217/12×12/8317×1/8317/83