48:8+32-54:9+7•8. 100-6•2:3•9-6•9. 7•7-(7•9-19)+6•4. 9•(16-5)-54:9•8+42. 9•9-48:(39-33)•7+66. 45:5•3+16:2•5-28. 8•7-16:4•7-19+49.
48:8+32-54:9+7*8=6+32-6+56=88 100-6*2:3*9-6*9=100-36-54=10 7*7-(7*9-19)+6*4=49-44+24=29 9*(16-5)-54:9*8+42=9*11-6*8+42=99-48+42=93 9*9-48:(39-33)*7+66=81-48:6*7+66=81-56+66=91 45:5*3+16:2*5-28=27+40-28=39 8*7-16:4*7-19+49=56-28-19+49=58