六年级数学计算题。。（要有过程）帮帮忙。
2个回答
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(3/11+3/5+2/3)×1.95
=（45/165+99/165+110/165）×1.95
=254/165×195/100
=91/50
=1.82
9/17÷23+2/23×4/17
=9/17×1/23+2/23×4/17
=9/17×23+2×4/17×23
=17/17×23
=1/23
=（45/165+99/165+110/165）×1.95
=254/165×195/100
=91/50
=1.82
9/17÷23+2/23×4/17
=9/17×1/23+2/23×4/17
=9/17×23+2×4/17×23
=17/17×23
=1/23
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展开全部
1.(3/11+3/5+2/3)×1.95
=(45/165+99/165+110/165)×39/20
=254/165 ×39/20
=1651/550
2.9/17÷23+2/23×4/17
=9/17×1/23+2/23+4/17
=1/23
=(45/165+99/165+110/165)×39/20
=254/165 ×39/20
=1651/550
2.9/17÷23+2/23×4/17
=9/17×1/23+2/23+4/17
=1/23
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