32.875－(4.13＋3.875) 17.8 ÷2.5÷4 7.12×4－1.12×4 32×1.25×0.25
7.4×9.8－14.5 13.4+5.62+17.6+4.38 6.73×4.8+5.2×6.73
(9.6+1.48÷3.7) ÷8 3.8+4.99-4.99)/0.19 7/6+37/12+101/20+211/30+379/42
/为除以的意思 3/2-5/6+7/12-9/20+11/30-13/42
101×82 45.2×10+52.1×10 0.125×3.2×25 4.37×99+4.37 4.2÷2÷3.5
22×11+22+288×22=
(214+43+86)+257=
578-53-92-255=
361×40×125=
199×35=
365-(247-235)=
够了吗