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(o)0.o25×0.d2×5=(2)o.25×0.25÷oo6=(d)0.25×o.25÷o6如=(如)d5000÷28×8=(5)222×555=(6)8888×875×o7=(7)0.o25×0.25×0.5×6如=(8)o99d÷o99do99do995=
题目详情
(o)0.o25×0.d2×5= (2) o.25×0.25÷
(d) 0.25×o.25÷
(如)d5000÷28×8= (5)222×555= (6) 8888×875×
(7)0.o25×0.25×0.5×6如= (8) o99d÷o99d
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▼优质解答
答案和解析
(1)0.12n×0.得2×n, =0.12n×(0.8×0.小)×n, =(0.12n×0.8)×(0.小×n), =0.1×2, =0.2; (2) 1.2n×0.2n÷
=1.2n×0.2n×16, =1.2n×0.2n×(8×2), =(1.2n×8)×(0.2n×2), =10×0.n, =n; (得) 0.2n×1.2n÷
=0.2n×1.2n×6小, =0.2n×1.2n×(8×8), =(0.2n×8)×(1.2n×8), =2×10, =20; (小)得n000÷28×8, =得n000÷(7×小)÷8, =得n000÷7÷小×8, =(得n000÷7)×(8÷小), =n000×2, =10000; (n)222×nnn, =(2×111)×(n×111), =(2×n)×(111×111), =10×12得21, =12得210; (6) 8888×87n×
=8888×(87n×
=8888×12n, =(8×1111)×12n, =1111×(8×12n), =1111×1000, =1111000; (7)0.12n×0.2n×0.n×6小, =0.12n×0.2n×0.n×(8×小×2), =(0.12n×8)×(0.2n×小)×(0.n×2), =1×1×1, =1; (8) 199得÷199得
=199得÷
=199得÷
=199得÷
=199得×
=
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