Question

9分之7+9分之2x7分之4x6分之7=多少？

Answer 1

解掘老：7／9十2／判宏升9x4／7x7／6
二7／9十2／9x2／3
二绝握7／9十4／27
二21／27十4／27
二25／27

Answer 2

7/9+2/9×4/7×7/6
=7/9+2/9×4/6
=7/9+1/9×4/高弊3
=1/9×(7+1×4/戚做族3)
=1/胡渗9×25/3
=25/27=0.9259259259

Answer 3

7/9+2/9×4/举档友7×7/6
=7/正槐9+4/27
=21/27+4/27
=25/蠢闷27

Answer 4

7/9+（2/9）*（4/7）*（7/6）
=7/9+（2/纳局9）*（4/6）
=7/9+8/54
=7/9+4/27
=21/27+4/27
=（液悉21+4）/27
=25/闹茄乎27

Answer 5

7/举档友9+2/9×4/7×7/6
=7/9+2/正槐9×2/蠢闷3
=7/9+4/27
=21/27+4/27
=25/27