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Who can give practical oral arithmetic questions to the second grade of primary school?
1, oral calculation:

38+4= 2×3= 3×6= 24+26= 90- 18= 72- 18= 45-20= 6×6= 4×5= 40+26= 23+56= 78+22= 2×3= 100-80= 97-9= 6×4= 6+22= 5×3= 1 2+67= 15+ 34= 6×2= 3 1-2= 73-8= 3×6= 0+69= 4×4= 5×3= 75-25= 5×4= 70-50= 4×3= 6×4= 45+5= 87-25= 5×6= 3×3= 2 1- 1 8= 4×3= 60- 13= 6×3 +8= 42- 19= 37+5= 4×6+9= 37-8= 5×2= 18+56= 5×5- 17= 8-29= 38+24= ( )×5=3 0 2× 6 = 6× 2+9 = 33+ / Kloc-0/2 =16+69 = () × 4 = 20 () × 6 = 24 2. () What can I fill in at most?

( )×5< 22 ( )×2