What can be calculated simply must be calculated simply, and what cannot be calculated simply can not be calculated simply 1.5/7÷5/12×（7/12-5/12）+5/7 2.3 / 16 × 1 and 7 / 9 + 1 / 2 × 7 / 13 + 6 / 13 × 0.5 3.（4/5-1/3）÷（7/8+7/10×5/12） 4.4/9÷〖4/5-（1/5+1/3）〗 5.2 and 2 / 3 × 4 / 5 + 0.8 × 1 and 1 / 3 + 6 × 80 ‰ 6.15/16+(7/16-1/4)÷1/2 7.1/3÷（2/3-2/5）×3/5 8.8/9+8/9+8/9+8/9+5/9 9.〖1/2-（3/4-3/5）〗÷7/10 10.（3/5-2/5×3/4）÷1/5+0.5 100 points for satisfaction Make it clear

What can be calculated simply must be calculated simply, and what cannot be calculated simply can not be calculated simply 1.5/7÷5/12×（7/12-5/12）+5/7 2.3 / 16 × 1 and 7 / 9 + 1 / 2 × 7 / 13 + 6 / 13 × 0.5 3.（4/5-1/3）÷（7/8+7/10×5/12） 4.4/9÷〖4/5-（1/5+1/3）〗 5.2 and 2 / 3 × 4 / 5 + 0.8 × 1 and 1 / 3 + 6 × 80 ‰ 6.15/16+(7/16-1/4)÷1/2 7.1/3÷（2/3-2/5）×3/5 8.8/9+8/9+8/9+8/9+5/9 9.〖1/2-（3/4-3/5）〗÷7/10 10.（3/5-2/5×3/4）÷1/5+0.5 100 points for satisfaction Make it clear

1.5 / 7 △ 5 / 12 × (7 / 12-5 / 12) + 5 / 7 = 5 / 7 × 12 / 5 × 2 / 12 + 5 / 7 = 2 / 7 + 5 / 7 = 12.3 / 16 × 1 and 7 / 9 + 1 / 2 × 7 / 13 + 6 / 13 × 0.5 = 3 / 16 × 16 / 9 + 1 / 2 × 7 / 13 + 6 / 13 × 1 / 2 = 1 / 3 + 7 / 26 + 3 / 13 = 1 / 3 + (7 / 26 + 6 / 26) = 1 / 3 + 1 / 2 = 5 / 63. (4 / 5-1 / 3) △ 7 / 8 + 7 / 10 × 5 / 12