1) 2.4×9.5×(-3.5)/5×(-7)×0.6 = 2×10×(-4)/5×(-7)×1 = -80/(-35) = 80/35 = 16/7
2) -9×2.4×(-7.2)/-3×1.8×3.6 = -9×2×(-7)/-3×2×2 = 126/12 = 63/6 = 21/2
3) -2.5×(-6)×0.9×(-0.36)/0.2×(-8.1)×2.5 = 15×0.9×0.36/(-1.62) = 5.4×0.36/(-1.62) = 1.944/(-1.62) = -1.2
4) 12×(-8.5)×(-0.23)/5×(-2.3)×(-0.6) = -102×(-0.23)/5×2.3×0.6 = 23.46/6.9 = 233/69 = 77/23
1) 2.4×9.5×(-3.5)/5×(-7)×0.6 = 2×10×(-4)/5×(-7)×1 = -80/(-35) = 80/35 = 16/7
2) -9×2.4×(-7.2)/-3×1.8×3.6 = -9×2×(-7)/-3×2×2 = 126/12 = 63/6 = 21/2
3) -2.5×(-6)×0.9×(-0.36)/0.2×(-8.1)×2.5 = 15×0.9×0.36/(-1.62) = 5.4×0.36/(-1.62) = 1.944/(-1.62) = -1.2
4) 12×(-8.5)×(-0.23)/5×(-2.3)×(-0.6) = -102×(-0.23)/5×2.3×0.6 = 23.46/6.9 = 233/69 = 77/23