题干
65×27＝____。
65
× 7 ······____
455
＋1300 ······____
1755 ······____
答案(点此获取答案解析）
1755,65×7＝455,65×20＝1300,1300＋455＝1755
65×27＝____。
65
× 7 ······____
455
＋1300 ······____
1755 ······____
