简算55×102-110
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简算55×102-110简算55×102-110简算55×102-11055×102-110=55×2×51-110=110×51-110=110×(51-1)=110×50=5500=55×102-
简算55×102-110
简算55×102-110
简算55×102-110
55×102-110=55×2×51-110=110×51-110=110×(51-1)=110×50=5500
=55×102-55×2
=55×(102-2)
=55×100
=5500
55×102-55×2
=55×(102-2)
=55×100
=5500
原式=5×11×102-11×10=11×(5×102-10)=11×500=5500
=55×(102-2)=5500
55X102-55X2=55X(102-2)=5500
5500
55x102-110
= 55X100 + 55X2 -110
=5500+110-110
=5500
5500
55*102-110=55*100+55*2-110=5500+110-110=5500
55×100+(55×2-110)=5500
55×102-110
55×102-55×2
55×(102-2)
55×100
5500
原式=55×(100+2)-110
=55×100+55×2-110
=5500+110-110
=5500
=55×102-55×2=55×(102-2)=55×100=5500
=55×102-55×2
=55×(102-2)
=55×100
=5500
=55*102-55*2
=55*100
=5500
=55×102-55×2
=55×(102-2)
=55×100
=5500