0.68+0.42=8. 1-5. 1= 0.728-0.24=

0.8+0. 18= 1-0.98=0.048+0.52= 5×400=

19.9+ 1 1. 1= 187÷ 1000= 0.08 1× 10=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=

10×0.05=0. 13×7= 0.2 1× 100= 0.7×4= 0.05×4=

4×0.3= 12.5×8= 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 14-202

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 10*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* 16 645-45* 12

10-2.87-7. 13 0.96+9.6*9.97.5-5.7* 1/3 40* 19+284