4,5²-1.5²/0.3×0.7×0.3
81/4-10×1,5²/3×7/10×3/10
81/4-(3/2)²×7×1/10
81/4-9/4×7×1/10
81/4-63/40
747/40
ответ 747/40
4,5²-1.5²/0.3×0.7×0.3
81/4-10×1,5²/3×7/10×3/10
81/4-(3/2)²×7×1/10
81/4-9/4×7×1/10
81/4-63/40
747/40
ответ 747/40