口算．1442÷7=1.7+8.03=0.42÷0.6=1.02-0.43=5.5÷0.3=4.2×1000=6.3÷1%=36×25%=23+43=5-38=12÷25%=0.1×0.1÷0.1÷0.1=67×76=547÷89≈799+301=24×399=

Question

口算．

1442÷7=	1.7+8.03=	0.42÷0.6=	1.02-0.43=
5.5÷0.3=	4.2×1000=	6.3÷1%=	36×25%=
(2)/(3)+(4)/(3)=	5-(3)/(8)=	(1)/(2)÷25%=	0.1×0.1÷0.1÷0.1=
(6)/(7)×(7)/(6)=	547÷89≈	799+301=	24×399=

口算．

1442÷7=	1.7+8.03=	0.42÷0.6=	1.02-0.43=
5.5÷0.3=	4.2×1000=	6.3÷1%=	36×25%=
(2)/(3)+(4)/(3)=	5-(3)/(8)=	(1)/(2)÷25%=	0.1×0.1÷0.1÷0.1=
(6)/(7)×(7)/(6)=	547÷89≈	799+301=	24×399=

1442÷7=	1.7+8.03=	0.42÷0.6=	1.02-0.43=
5.5÷0.3=	4.2×1000=	6.3÷1%=	36×25%=
(2)/(3)+(4)/(3)=	5-(3)/(8)=	(1)/(2)÷25%=	0.1×0.1÷0.1÷0.1=
(6)/(7)×(7)/(6)=	547÷89≈	799+301=	24×399=

1442÷7=1.7+8.03=0.42÷0.6=1.02-0.43=5.5÷0.3=4.2×1000=6.3÷1%=36×25%=(2)/(3)+(4)/(3)=5-(3)/(8)=(1)/(2)÷25%=0.1×0.1÷0.1÷0.1=(6)/(7)×(7)/(6)=547÷89≈799+301=24×399=1442÷7=1.7+8.03=0.42÷0.6=1.02-0.43=1442÷7=1.7+8.03=0.42÷0.6=1.02-0.43=5.5÷0.3=4.2×1000=6.3÷1%=36×25%=5.5÷0.3=4.2×1000=6.3÷1%=36×25%=(2)/(3)+(4)/(3)=5-(3)/(8)=(1)/(2)÷25%=0.1×0.1÷0.1÷0.1=(2)/(3)+(4)/(3)=(2)/(3)+(4)/(3)=(2)/(3)232233(4)/(3)=(4)/(3)4344335-(3)/(8)=(3)/(8)=(3)/(8)383388(1)/(2)÷25%=(1)/(2)÷25%=(1)/(2)1211220.1×0.1÷0.1÷0.1=(6)/(7)×(7)/(6)=547÷89≈799+301=24×399=(6)/(7)×(7)/(6)=(6)/(7)×(7)/(6)=(6)/(7)676677(7)/(6)=(7)/(6)767766547÷89≈799+301=24×399=

Answer 1

1442÷7=206	1.7+8.03=9.73	0.42÷0.6=0.7	1.02-0.43=0.59
5.5÷0.3=(55)/(3)	4.2×1000=4200	6.3÷1%=630	36×25%=9
(2)/(3)+(4)/(3)=2	5-(3)/(8)=4(5)/(8)	(1)/(2)÷25%=2	0.1×0.1÷0.1÷0.1=1
(6)/(7)×(7)/(6)=1	547÷89≈6	799+301=1100	24×399=9576

1442÷7=2061.7+8.03=9.730.42÷0.6=0.71.02-0.43=0.595.5÷0.3=(55)/(3)4.2×1000=42006.3÷1%=63036×25%=9(2)/(3)+(4)/(3)=25-(3)/(8)=4(5)/(8)(1)/(2)÷25%=20.1×0.1÷0.1÷0.1=1(6)/(7)×(7)/(6)=1547÷89≈6799+301=110024×399=95761442÷7=2061.7+8.03=9.730.42÷0.6=0.71.02-0.43=0.591442÷7=2061442÷7=2061.7+8.03=9.731.7+8.03=9.730.42÷0.6=0.70.42÷0.6=0.71.02-0.43=0.591.02-0.43=0.595.5÷0.3=(55)/(3)4.2×1000=42006.3÷1%=63036×25%=95.5÷0.3=(55)/(3)5.5÷0.3=(55)/(3)(55)/(3)5535555553334.2×1000=42004.2×1000=42006.3÷1%=6306.3÷1%=63036×25%=936×25%=9(2)/(3)+(4)/(3)=25-(3)/(8)=4(5)/(8)(1)/(2)÷25%=20.1×0.1÷0.1÷0.1=1(2)/(3)+(4)/(3)=2(2)/(3)+(4)/(3)=2(2)/(3)23222333+(4)/(3)=2(4)/(3)43444333=25-(3)/(8)=4(5)/(8)5-(3)/(8)=4(5)/(8)(3)/(8)38333888=4(5)/(8)(5)/(8)58555888(1)/(2)÷25%=2(1)/(2)÷25%=2(1)/(2)12111222÷25%=20.1×0.1÷0.1÷0.1=10.1×0.1÷0.1÷0.1=1(6)/(7)×(7)/(6)=1547÷89≈6799+301=110024×399=9576(6)/(7)×(7)/(6)=1(6)/(7)×(7)/(6)=1(6)/(7)67666777×(7)/(6)=1(7)/(6)76777666=1547÷89≈6547÷89≈6799+301=1100799+301=110024×399=957624×399=9576