186+279+422 900-175-198 278-199+456
54-6×2 (123-103)×5 56÷(24-16)
249+360=
251+369=
525-412=
478-209=
955-775=
736-675=
127+234=
985-807=
461+433=
489-233=
136+471=
833-732.=
294+164=
345+427=
961-600=
263-163=
622+190=
718-608=
985-456=
437+270=
188-14=
435+270=
683+181=
166+262=
550+118=
903-786=
419+489=
734-273=
81+519=
811-796=
100÷2=
9×80=
63÷3=
550÷5=
280÷4=
0÷7=
75÷5=
400÷8=
(78-28)×5=
96÷3+24=
44×2+10=
100÷5×6=
350÷7+26=
(168-68)×9=
40×3+9=
600-100×5=
320-120÷6=
640÷8+2=
(300+20)÷4=
4×(50+40)=
520-20×8=
(70+20)×3=
30×7+28=
560÷7×8=
100-31+322 (190-120)×4 328+23×5
□ □ □ □
341-29= 5.7+1.24= -0.25= × =
3.2÷80%= ÷ = ×0+ = 12.5×8÷12.5×8=