(9672/73+3624/25)÷(3224/73+128/25).
问题描述:
(96
+3672 73
)÷(3224 25
+1224 73
). 8 25
答
(96
+3672 73
)÷(3224 25
+1224 73
),8 25
=(32
+1224 73
)×3÷(328 25
+1224 73
),8 25
=(32
+1224 73
)÷(328 25
+1224 73
)×3,8 25
=1×3,
=3.