The fourth grade of primary school100-32.5 = 2.5 ÷ 25 = 0.9+0.99 = 400 ÷ 0.1= 4.5× 3 = 3./kloc-0 /× 0.5 = 2.02× 9 = 2+0.7= 25×0.0 1= 4. 1×0.5= 19.04÷2= 0.74-0.24= 36.05÷5= 3.46× 1 1= 3.2÷64= 8. 1 ÷3= 24.32÷8= 0.9×0.6= 0.8÷0.04= 0.364×65 438+000= 16÷ 1.6= 7.8+0.2= 2.4÷4.8= 0. 125×8= 7- 1.34= 8×0.25= 9×0.36= 0.37× / kloc-0/0= 2.9×0.6= 0.8×0.7= 5.3-2.9= 2.8+ 13.5= 6 5438+07.2+2.8= 8.4÷4.2= 1.7×3= 8.3-3.3= 3.6+6.4= 0.84÷6= 0.7×5= 5.5+3.6= 300× / kloc-0/.2= 6.25÷5= 720÷8÷0. 1= 0.75×4÷7.5= 2.5×0.7×4= 0.9×6543 8+000÷3= 2÷(6.4+4.6) = 2.8÷0.7+6= 19.6÷0.2÷5= 7.86+7.86×9= 0.25+0.75= / kloc-0/2×0.5= 16÷ 1.6= 5.4÷ 1.8= 25×0.04= 10-5.6= 1.25×80= 1 .2 3÷3= 8-2.6= 63÷0.09= 6.2÷0.2= 7.8+2.2= 5.4÷0.9= 0.44×2= 0.25×40= 0.2×0.5= 6.4÷3.2= 7.5+5.4= 0.0 1×0.9= 42÷0.7= 0.7+ 12.4= 9.9+0.5 / kloc-0/+0.6 5438+0= 7.3×2.5×4= 1.25×8×3.7= 12-6.2-3.8= 2.4÷4+5.6÷4= 3. 1 ×0.5= 0.83+0.2= 2.02×9= 30.3÷3= 7.6-0.7-0.3= 3.6+6.4= 8.3-3.3= 1.25× 8×0.74= 1.8+2.2+6.4= 0.6×5+0.4×5= 6.02×0.3+0.3= 32. 1 +2.5×0.4= 45.7-5.5×6= 10.2 1×3- 10.2 1= 45.7-5.5×6= 10×0.6-0.6= 13.7×0.25×40=