0.64×25×7.8+2.2 =0. 16*4*25*7.8+2.2 =0. 16* 100*7.8+2.2 = 16*7.8+2.2 = 127 2÷2.5+2.5÷2 =4/5+5/ 4 =2.05 1 94-64.8÷ 1.8×0.9 = 194-36*0.9 = 194-32.4 = 16 1.6 36.72÷4.25×9.9 =8.64* 9.9 =85.536 5 180-705×6 =5 1 80-4230 =950 24÷2.4-2.5×0.8 = 10-2 =8 (4 12 1+2389)÷7 =65 10/ 7 =930 67 1× 15-974 = 10065-974 =909 / Kloc-0/469×12+1492 = 5628+1492 = 7120 405× (3213-31892) Original formula = 2 ÷. 4 =0.8+ 1.25 =2.05 3. Original formula =194-64.8 ÷ (1.8 ÷ 0.9) =194-32.4 =/kloc. 9.9 =8.64* 9.9 =85.536 5. Original formula =5 180-4230 =950 6. The original formula =10-2 = 8 7. Original formula =65 10÷7 =930 8. Original formula = 10. 8+020 10. The original formula = 405 * 24 = 9720 0.64 * 25 * 7.8+2.2 = 4 * 25 *.16 * 7.8+2.2 =100 *./kloc 7.8+2.2 =124.8+2.2127 2,2/2.5+2 = .8+1.25 = 2.0510 except 5/9+/kloc. 3 = 18 and 2/3 7/9 except11/5+2/9x5/1= 7/9× 5/1+2/9× 5. 11= 5/11(112+1/2-7/12) divided by/kloc-0. 2×7 = 77 ( 1/2- 1/3+ 1/6)×24=0 4/5×5/8+ 1/2)÷3/4=4/3