ѼկСѧһ꼶ڶѧѧĩ⣨13
ѧУ ༶ ÷֣
һա22֣ÿ2֣ 110һǣ 10ʮǣ 26һ8ʮǣ 39У ʮͣ һ 3дӣ 41Сʱ= ֡
5һһ79ǰһͺд 79 6һʮһʮ80ǰͺд 80 7ģ ɵ15ʽ
= = = = 8һλλϵ6ʮλϵȸλϵ2ǣ
9һ50ԪԻɣ 10ԪҲԻɣ 5ԪԻɣ 20Ԫͣ 10Ԫ
10һ100ԪԻɣ 50ԪҲԻɣ20ԪԻɣ 10Ԫ 11
㡣30֣ ֱд20֣ 9+8 46-9 83-20 74+6 25+9 13-4 25+8 28+30 35-5 53-30 37+60 36+50 94-60 56+7 34-20 24-8 87-50 6+20 94-40 68+6
ʽ㡣10֣
46+14 65-28 8+49 61-9 432377=
ġҹɻͼ4֣ 1
2
壮ѡһѡںʵĴ´̡ÿС2֣6֡ 1ѧС16컨 ҵõĺ컨Сöࡣ ұСһЩ С С Сжٶ䣿 Сжٶ䣿 2 13 18
2 6 18 18 39 72 2Сץһѻףһ 10ץһѻƶ һ¿ж
һѧ38֣
1ͼдʽ8֣
= =ã
2ʦЩͶõ56䣬õһ룬ʦһ˶ٶ仨6֣
3ɽ26ֻɽ9ֻɽٶֻ4֣
36
3(չ)ͼش⡣8֣
СƽҪ볬С
512֣СС̵ꡣ47Ԫ ñ8Ԫ 54Ԫ Ь28Ԫ
ְָٰСһñӺһ˫Ьһ˶Ǯ
ڳ±ȿӱ˶Ǯ
۰ְһ£50ԪӦһضǮ 㻹ܽЩѧ⣿
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ѼկСѧһ꼶ڶѧѧĩ⣨14
ѧУ ༶ ÷֣
һա11֣ 1ͼ
ʮͣ һ ǣ
ǣ ʮͣ һ
2۲ͼش⣺ ????
1??ģ ߣ?ģ ߡ
2ǵڣ ?ǵڣ
㡣36֣
ʮ 637= 179= 375= 838= 3820= 35207= 928= 788= 3044= 8430= 607= 38847= 556= 786= 90+10= 724= 4060= 432377=
ͼա9֣
(1) ( ) ( ) (2) ( ) ( ) ( ) ( ) (3) ( )( )еĸ
ġָλûͼ8֣
ڵŵлһƬ ڵڶŵһлһ
ڶ һ һ ڶ ڵ( )ŵĵ( )С ڵ( )ŵĵ( )С
塢һһ10֣
1 2
һѧ26֣ 15֣
25֣
312֣
44֣