3.4- 1.4= 7.82-7.2= 2. 19+9. 1= 10. 1-0.89= 0.68+0.42=8. 1-5. 1= 0.728-0.24= 0.8+0. 1 8= 0.89-0.25= 1-0.9 8=0.048+0.52= 5×400= 19.9+ 1 1. 1= 187÷ 1000= 1+3.89= 0.08 1× / kloc-0/0=75÷ 10= 0.96÷0.8= 0.8×7= 1.5×7= 1.32×8= 0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2= 2.0 1×0= 1 0×0.05=0. 13×7= 0.2 1× 100= 0.7×4= 0.05×4=4×0.3= 6 5438+02.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0. 1= 2.6×3= 4. 1 ×2= 0.35×0.2= 7.5×0. 1= 1-0.08= 3.5×0.0 1= 1.25÷0.25= 0×9.8= 3.9+0.39=4.8+5.2= 8+2-8+2 286+ 198 3 1 4-202 526+30 1 223-99 1000- 1000÷8 30× 1/3 10*45-328 2/3× 12 2.8*3+6/ 8 3/5×5/6 2/5× 1/3 1 0*47+639 1/2- 1/6 1/7× 1/5 25×4/5 5/6- 1/2 1/2× 1/5 600-420/ 12 345/3-4* 0.25 300 1 - 1998.5000- 105*34 (25+4)*4 300-4263/2 1 3.27×4 +3.27×5.7 ( 1.2+ 1.8)×4 1025-768÷32 2348+275* 1 6 645-45* 12 10-2.87-7. 13 0.96+9.6*9.97.5-5.7* 1/3 40* 19+284 58.7- 165/3640+ 12*25