计算765+123=987-210=557+109=444×2=111×7=222×3=103×8≈3×202≈197×2≈2×5-2=2×8-9=3×4-6=1+3×3=3×5-5=4×2+2=25÷3=29÷4=33÷5=45÷6=37÷7=50÷8=13+13=24-14=25+25=36-36=57-37=1-18=

Question

计算

765+123=	987-210=	557+109=	444×2=
111×7=	222×3=	103×8≈	3×202≈
197×2≈	2×5-2=	2×8-9=	3×4-6=
1+3×3=	3×5-5=	4×2+2=	25÷3=
29÷4=	33÷5=	45÷6=	37÷7=
50÷8=	(1)/(3)+(1)/(3)=	(2)/(4)-(1)/(4)=	(2)/(5)+(2)/(5)=
(3)/(6)-(3)/(6)=	(5)/(7)-(3)/(7)=	1-(1)/(8)=

765+123=	987-210=	557+109=	444×2=
111×7=	222×3=	103×8≈	3×202≈
197×2≈	2×5-2=	2×8-9=	3×4-6=
1+3×3=	3×5-5=	4×2+2=	25÷3=
29÷4=	33÷5=	45÷6=	37÷7=
50÷8=	(1)/(3)+(1)/(3)=	(2)/(4)-(1)/(4)=	(2)/(5)+(2)/(5)=
(3)/(6)-(3)/(6)=	(5)/(7)-(3)/(7)=	1-(1)/(8)=

765+123=987-210=557+109=444×2=111×7=222×3=103×8≈3×202≈197×2≈2×5-2=2×8-9=3×4-6=1+3×3=3×5-5=4×2+2=25÷3=29÷4=33÷5=45÷6=37÷7=50÷8=(1)/(3)+(1)/(3)=(2)/(4)-(1)/(4)=(2)/(5)+(2)/(5)=(3)/(6)-(3)/(6)=(5)/(7)-(3)/(7)=1-(1)/(8)=765+123=987-210=557+109=444×2=765+123=987-210=557+109=444×2=111×7=222×3=103×8≈3×202≈111×7=222×3=103×8≈3×202≈197×2≈2×5-2=2×8-9=3×4-6=197×2≈2×5-2=2×8-9=3×4-6=1+3×3=3×5-5=4×2+2=25÷3=1+3×3=3×5-5=4×2+2=25÷3=29÷4=33÷5=45÷6=37÷7=29÷4=33÷5=45÷6=37÷7=50÷8=(1)/(3)+(1)/(3)=(2)/(4)-(1)/(4)=(2)/(5)+(2)/(5)=50÷8=(1)/(3)+(1)/(3)=(1)/(3)+(1)/(3)=(1)/(3)131133(1)/(3)=(1)/(3)131133(2)/(4)-(1)/(4)=(2)/(4)-(1)/(4)=(2)/(4)242244(1)/(4)=(1)/(4)141144(2)/(5)+(2)/(5)=(2)/(5)+(2)/(5)=(2)/(5)252255(2)/(5)=(2)/(5)252255(3)/(6)-(3)/(6)=(5)/(7)-(3)/(7)=1-(1)/(8)=(3)/(6)-(3)/(6)=(3)/(6)-(3)/(6)=(3)/(6)363366(3)/(6)=(3)/(6)363366(5)/(7)-(3)/(7)=(5)/(7)-(3)/(7)=(5)/(7)575577(3)/(7)=(3)/(7)3733771-(1)/(8)=(1)/(8)=(1)/(8)181188

Answer 1

765+123=888	987-210=777	557+109=666	444×2=888
111×7=777	222×3=666	103×8≈800	3×202≈600
197×2≈400	2×5-2=8	2×8-9=7	3×4-6=6
1+3×3=10	3×5-5=	4×2+2=10	25÷3=8…1
29÷4=7…1	33÷5=6…3	45÷6=7…3	37÷7=5…2
50÷8=6…2	(1)/(3)+(1)/(3)=(2)/(3)	(2)/(4)-(1)/(4)=(1)/(4)	(2)/(5)+(2)/(5)=(4)/(5)
(3)/(6)-(3)/(6)=0	(5)/(7)-(3)/(7)=(2)/(7)	1-(1)/(8)=(7)/(8)

765+123=888987-210=777557+109=666444×2=888111×7=777222×3=666103×8≈8003×202≈600197×2≈4002×5-2=82×8-9=73×4-6=61+3×3=103×5-5=4×2+2=1025÷3=8…129÷4=7…133÷5=6…345÷6=7…337÷7=5…250÷8=6…2(1)/(3)+(1)/(3)=(2)/(3)(2)/(4)-(1)/(4)=(1)/(4)(2)/(5)+(2)/(5)=(4)/(5)(3)/(6)-(3)/(6)=0(5)/(7)-(3)/(7)=(2)/(7)1-(1)/(8)=(7)/(8)765+123=888987-210=777557+109=666444×2=888765+123=888765+123=888987-210=777987-210=777557+109=666557+109=666444×2=888444×2=888111×7=777222×3=666103×8≈8003×202≈600111×7=777111×7=777222×3=666222×3=666103×8≈800103×8≈8003×202≈6003×202≈600197×2≈4002×5-2=82×8-9=73×4-6=6197×2≈400197×2≈4002×5-2=82×5-2=82×8-9=72×8-9=73×4-6=63×4-6=61+3×3=103×5-5=4×2+2=1025÷3=8…11+3×3=101+3×3=103×5-5=3×5-5=4×2+2=104×2+2=1025÷3=8…125÷3=8…129÷4=7…133÷5=6…345÷6=7…337÷7=5…229÷4=7…129÷4=7…133÷5=6…333÷5=6…345÷6=7…345÷6=7…337÷7=5…237÷7=5…250÷8=6…2(1)/(3)+(1)/(3)=(2)/(3)(2)/(4)-(1)/(4)=(1)/(4)(2)/(5)+(2)/(5)=(4)/(5)50÷8=6…250÷8=6…2(1)/(3)+(1)/(3)=(2)/(3)(1)/(3)+(1)/(3)=(2)/(3)(1)/(3)13111333+(1)/(3)=(2)/(3)(1)/(3)13111333=(2)/(3)(2)/(3)23222333(2)/(4)-(1)/(4)=(1)/(4)(2)/(4)-(1)/(4)=(1)/(4)(2)/(4)24222444-(1)/(4)=(1)/(4)(1)/(4)14111444=(1)/(4)(1)/(4)14111444(2)/(5)+(2)/(5)=(4)/(5)(2)/(5)+(2)/(5)=(4)/(5)(2)/(5)25222555+(2)/(5)=(4)/(5)(2)/(5)25222555=(4)/(5)(4)/(5)45444555(3)/(6)-(3)/(6)=0(5)/(7)-(3)/(7)=(2)/(7)1-(1)/(8)=(7)/(8)(3)/(6)-(3)/(6)=0(3)/(6)-(3)/(6)=0(3)/(6)36333666-(3)/(6)=0(3)/(6)36333666=0(5)/(7)-(3)/(7)=(2)/(7)(5)/(7)-(3)/(7)=(2)/(7)(5)/(7)57555777-(3)/(7)=(2)/(7)(3)/(7)37333777=(2)/(7)(2)/(7)272227771-(1)/(8)=(7)/(8)1-(1)/(8)=(7)/(8)(1)/(8)18111888=(7)/(8)(7)/(8)78777888