4/5÷0.12—7/9×0.9= (9—3.72×2/3)÷26/7= 急求两提答案

4/5÷0.12—7/9×0.9= (9—3.72×2/3)÷26/7= 急求两提答案
4/5÷0.12—7/9×0.9= (9—3.72×2/3)÷26/7= 急求两提答案

4/5÷0.12—7/9×0.9= (9—3.72×2/3)÷26/7= 急求两提答案
179/30 和1141/650

原式=4/5×25/3-7/9×9/10
=20/3－7/10
=179/30
原式=﹙9-2.48﹚÷26/7
=6.52×7/26
=163/25×7/26
=1141/650

1- 5.97
2- 0.036