口算70×2=3×300=200×8=850-660=80+240=7×90=57-27=23×7=860-300=21×9=20×4=400×8=43÷6=23×6=256-97=7×7+6=62+36=28+3=51-11=17÷2=40×5=42×3=44×2=78-48=36÷5=16×4=870-530=470+65=13×4=68+27=4×500=0×58=900×6=57-35=12+12=206×5=530×3=302+5

Question

口算

70×2=	3×300=	200×8=	850-660=
80+240=	7×90=	(5)/(7)-(2)/(7)=	23×7=
860-300=	21×9=	20×4=	400×8=
43÷6=	23×6=	256-97=	7×7+6=
62+36=	28+3=	51-11=	17÷2=
40×5=	42×3=	44×2=	(7)/(8)-(4)/(8)=
36÷5=	16×4=	870-530=	470+65=
13×4=	68+27=	4×500=	0×58=
900×6=	57-35=	(1)/(2)+(1)/(2)=	206×5=
530×3=	302+56=	22×6=	40×9=
25×6=	801×9=	0×8+5=	11×3=
9×5-13=	130×6=	26÷4=	1-(3)/(4)+(1)/(4)=
25+82=	78×3=	35+55=	81-33=
35×3=	240+109=	(3)/(9)+(2)/(9)=	200×5=
7×3+9=	36÷7=	260-80=	1-(2)/(3)=

口算

70×2=	3×300=	200×8=	850-660=
80+240=	7×90=	(5)/(7)-(2)/(7)=	23×7=
860-300=	21×9=	20×4=	400×8=
43÷6=	23×6=	256-97=	7×7+6=
62+36=	28+3=	51-11=	17÷2=
40×5=	42×3=	44×2=	(7)/(8)-(4)/(8)=
36÷5=	16×4=	870-530=	470+65=
13×4=	68+27=	4×500=	0×58=
900×6=	57-35=	(1)/(2)+(1)/(2)=	206×5=
530×3=	302+56=	22×6=	40×9=
25×6=	801×9=	0×8+5=	11×3=
9×5-13=	130×6=	26÷4=	1-(3)/(4)+(1)/(4)=
25+82=	78×3=	35+55=	81-33=
35×3=	240+109=	(3)/(9)+(2)/(9)=	200×5=
7×3+9=	36÷7=	260-80=	1-(2)/(3)=

70×2=	3×300=	200×8=	850-660=
80+240=	7×90=	(5)/(7)-(2)/(7)=	23×7=
860-300=	21×9=	20×4=	400×8=
43÷6=	23×6=	256-97=	7×7+6=
62+36=	28+3=	51-11=	17÷2=
40×5=	42×3=	44×2=	(7)/(8)-(4)/(8)=
36÷5=	16×4=	870-530=	470+65=
13×4=	68+27=	4×500=	0×58=
900×6=	57-35=	(1)/(2)+(1)/(2)=	206×5=
530×3=	302+56=	22×6=	40×9=
25×6=	801×9=	0×8+5=	11×3=
9×5-13=	130×6=	26÷4=	1-(3)/(4)+(1)/(4)=
25+82=	78×3=	35+55=	81-33=
35×3=	240+109=	(3)/(9)+(2)/(9)=	200×5=
7×3+9=	36÷7=	260-80=	1-(2)/(3)=

70×2=3×300=200×8=850-660=80+240=7×90=(5)/(7)-(2)/(7)=23×7=860-300=21×9=20×4=400×8=43÷6=23×6=256-97=7×7+6=62+36=28+3=51-11=17÷2=40×5=42×3=44×2=(7)/(8)-(4)/(8)=36÷5=16×4=870-530=470+65=13×4=68+27=4×500=0×58=900×6=57-35=(1)/(2)+(1)/(2)=206×5=530×3=302+56=22×6=40×9=25×6=801×9=0×8+5=11×3=9×5-13=130×6=26÷4=1-(3)/(4)+(1)/(4)=25+82=78×3=35+55=81-33=35×3=240+109=(3)/(9)+(2)/(9)=200×5=7×3+9=36÷7=260-80=1-(2)/(3)=70×2=3×300=200×8=850-660=70×2=3×300=200×8=850-660=80+240=7×90=(5)/(7)-(2)/(7)=23×7=80+240=7×90=(5)/(7)-(2)/(7)=(5)/(7)-(2)/(7)=(5)/(7)575577(2)/(7)=(2)/(7)27227723×7=860-300=21×9=20×4=400×8=860-300=21×9=20×4=400×8=43÷6=23×6=256-97=7×7+6=43÷6=23×6=256-97=7×7+6=62+36=28+3=51-11=17÷2=62+36=28+3=51-11=17÷2=40×5=42×3=44×2=(7)/(8)-(4)/(8)=40×5=42×3=44×2=(7)/(8)-(4)/(8)=(7)/(8)-(4)/(8)=(7)/(8)787788(4)/(8)=(4)/(8)48448836÷5=16×4=870-530=470+65=36÷5=16×4=870-530=470+65=13×4=68+27=4×500=0×58=13×4=68+27=4×500=0×58=900×6=57-35=(1)/(2)+(1)/(2)=206×5=900×6=57-35=(1)/(2)+(1)/(2)=(1)/(2)+(1)/(2)=(1)/(2)121122(1)/(2)=(1)/(2)121122206×5=530×3=302+56=22×6=40×9=530×3=302+56=22×6=40×9=25×6=801×9=0×8+5=11×3=25×6=801×9=0×8+5=11×3=9×5-13=130×6=26÷4=1-(3)/(4)+(1)/(4)=9×5-13=130×6=26÷4=1-(3)/(4)+(1)/(4)=(3)/(4)+(1)/(4)=(3)/(4)343344(1)/(4)=(1)/(4)14114425+82=78×3=35+55=81-33=25+82=78×3=35+55=81-33=35×3=240+109=(3)/(9)+(2)/(9)=200×5=35×3=240+109=(3)/(9)+(2)/(9)=(3)/(9)+(2)/(9)=(3)/(9)393399(2)/(9)=(2)/(9)292299200×5=7×3+9=36÷7=260-80=1-(2)/(3)=7×3+9=36÷7=260-80=1-(2)/(3)=(2)/(3)=(2)/(3)232233

Answer 1

70×2=1403×300=900200×8=1600850-660=19080+240=3207×90=63057-27=3723×7=161860-300=56021×9=18920×4=80400×8=320043÷6=7…123×6=138256-97=1597×7+6=5462+36=9828+3=3151-11=4017÷2=8…140×5=20042×...