题干
直接计算。
4×9=____ | 7×3=____ | 25-8=____ | 9×9-50=____ |
32-0=____ | 80-4=____ | 55+32=____ | 8×5+40=____ |
50-30=____ | 6×3=____ | 60-18=____ | 4+5×6=____ |
36+37=____ | 65-18=____ | 8×9=____ | 90-（32+18）=____ |
答案(点此获取答案解析）
36,21,17,31,32,76,87,80,20,18,42,34,73,47,72,40
