帮一下忙啦~~能简算要简算.(要写出主要简算过程)19.98×37-199.8+1998×0.82888+32×0.125×0.257.8÷[32×(1-5/8)+3.6]1/1×2 + 1/2×3 + 1/3×4 ... 1/99×100 拜托拜托啦

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帮一下忙啦~~能简算要简算.(要写出主要简算过程)19.98×37-199.8+1998×0.82888+32×0.125×0.257.8÷[32×(1-5/8)+3.6]1/1×2  +  1/2×3  +  1/3×4  ...  1/99×100 拜托拜托啦
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帮一下忙啦~~能简算要简算.(要写出主要简算过程)19.98×37-199.8+1998×0.82888+32×0.125×0.257.8÷[32×(1-5/8)+3.6]1/1×2 + 1/2×3 + 1/3×4 ... 1/99×100 拜托拜托啦
帮一下忙啦~~能简算要简算.(要写出主要简算过程)
19.98×37-199.8+1998×0.82
888+32×0.125×0.25
7.8÷[32×(1-5/8)+3.6]
1/1×2 + 1/2×3 + 1/3×4 ... 1/99×100

拜托拜托啦

帮一下忙啦~~能简算要简算.(要写出主要简算过程)19.98×37-199.8+1998×0.82888+32×0.125×0.257.8÷[32×(1-5/8)+3.6]1/1×2 + 1/2×3 + 1/3×4 ... 1/99×100 拜托拜托啦
19.98×37-199.8+1998×0.82
=19.98*(37-10+82)
=19.98*109
=19.98*(100+10-1)
=1998+199.8-19.98
=1778.22
888+8*4*0.125*0.25
=888+0.125*8+4*0.25
=888+1
=889
7.8÷[32-20+3.6]
=7.8÷15.6
=0.5
1/1×2 + 1/2×3 + 1/3×4 ...1/99×100
=1-1/2+1/2-1/3+1/3-1/4+^+1/99-1/100
=1-1/100
=99/100

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