20÷2= 63÷3= 27×5= 510 ÷3= 40×9= 23×30= 84÷4= 15÷3= 12×4= 513 ×9= 4×815= 99÷9= 75÷5= 205 ÷5= 46×10= 24×20= 40÷2= 60×6= 900 ÷9= 28+2= 14×6= 700-300= 51-3= 21÷7= 18+16= 130 ×4= 810 ÷3= 72 -24= 16 ×4= 16 ×5= 63 ÷3= 50 ×6= 100 ×5= 23 ×40= 45 ×30= 60 ÷2= 67+23= 480 ÷8= 26 ×20= 0×51= 0÷47= 57 ÷7= 505 ÷5= 21 ÷5= 92-45= 270+30= 460+200= 600 ÷3= 810 ÷9= 8×7+6= 6×7+6= 36÷3÷2= 5×5+4= 50-24÷4= 9+9÷9= 800 -800 ÷4= 8×9-7= 72-72÷6= 8+2×10= 90-30÷3= 6×80-20= 12×3÷3= 5×8-8= 57×3×0= 86-86÷2= 3 8 ×2×7= 24+15+6= 18÷3-4= 50×6+0= 45+55÷5=70×(40 -32) =300 ÷2÷5= 960 ÷4= 5+3= 1×10000= 0÷3000= 504 ÷2= 43 ×21≈38 ×48≈347 ÷7≈817 ÷8≈37 ×28≈18 ×54≈431 ÷6≈381 ÷2≈75+21= 69 -57= 49+37= 81 -25= 40 ÷8= 25 ×3= 268+125= 280+40= 66 -22= 46 ×20= 85 -42= 90 -31= 60 ×9= 55 +41= 30 ×4= 600 ×8= 78-28= 80+120= 5×60= 15×2= 12×8= 36-12=