【题目】直接写出得数
65-36 = 58+27 = 400+500 = 50+7000 = 1400-800 =
1000-600 = 42÷6 = 60+80 = 56÷8 = 600 +700 =
500+50 = 960-60 = 52+39 = 4000+200 = 50 ÷6 =
【答案】29; 85; 900; 7050; 600;
400; 7; 140; 7; 1300;
550; 900; 91; 4200; 8……2
【解析】
略

【题目】直接写出得数
65-36 = 58+27 = 400+500 = 50+7000 = 1400-800 =
1000-600 = 42÷6 = 60+80 = 56÷8 = 600 +700 =
500+50 = 960-60 = 52+39 = 4000+200 = 50 ÷6 =
【答案】29; 85; 900; 7050; 600;
400; 7; 140; 7; 1300;
550; 900; 91; 4200; 8……2
【解析】
略