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Fourth grade, book 2, 600 oral math questions, hurry up, hurry up.
9÷3= 90÷3= 900÷3= 70×20= 180÷2= 4000÷5= 360÷6= 1400÷7= 200÷5= 720÷8= 27÷9= 270÷9= 30×60= 300÷6= 1 50÷5= 490÷7= 90×4= 90÷3= 90×70= 42÷6×6= 24÷4= 240÷4= 90×9= 8 10 0÷9= 300÷5= 420÷7= 720÷9= 20×2 1= 300÷6= 1 40÷2= 700×8= 350÷5= 5×6+4 1= 1600÷4= 2700÷9 = 4000÷8= 360÷6= 1400÷2= 200÷4= 720÷9= 78÷4= 83÷9= 470÷8= 1 78÷6= 83÷9= 360÷5= 465438+ 00÷7= 125÷2= 2 1÷4= 7 1÷9= 900+700= 90+80= 90+9= 12-6= 200-60= 10+ 10= / kloc-0/20- 10= 130-50= 140-50= 200-40= 300×6= 280÷7= 240÷8= 3×90= 200÷5= 4× 10= 120÷3= 400×9= 8 1 0÷9= 5×7-20= 256÷5= 2 14÷7= 125÷2= 2 1÷4= 73÷9= 280÷4= 360 ÷9= 320÷8= 180÷6= 630÷9= 4000÷5= 630÷7 1 600÷2= 2800÷4= 540÷9= 60×5= 300÷5= 60×6 = 400÷5= 80×7= 160÷8= 36+42= 2 1 0÷3= 4×200= 48÷6×4= 900+700= 90+80= 90+9= 6543 8+02-6= 200-60= 138-89= 5400÷54= 200×34= 550-450= 18000÷600= 2700÷30= 45× 1 4= 89÷ 10 0= 0.82+0.08= 73× 1= 0.63× 10= 4÷ 10= 17÷ 1000= 0.56+0.4= 80 ×25= 1-0.93= 1.25× / kloc-0/00= 5.6+99= 100÷25= 90-0.9= 4 1×6543 8+000= 8800÷400= 0. 12× 10= 600÷30= 7.59÷ 100= 1 50+70= 356-98= 654 38+025×8= 6 12÷6= 12×80= 1.5× 100= 840÷40= 0. 125× 100= 8÷ 1 00= 2.3+3.6= 0.28+0. 12= 7.3+2.7= 7.5-3.4= 1-0.35= 3.6÷ 10= 5.6+2.3+0.7= 5× 17×2= 154-73-27= 1 000×25= 24×0÷ 12= 7.06× 100= 7.6÷65 438+00= 2.5× 10= 65.8÷ 100= 9 1.05÷ 1000= 300÷ 15= 0.05× 1000= 14×60= 5400÷600= 345+298=