0.78×98
12.5×3.9×0.8
4.6×3.7+6.3×4.6
①2.8×3.6+1.4×2.8
②4.75×101
③3.17×1.2＋1.83
④4.95-14.82÷7.6
⑤12.5×16×2.5
92.8÷8÷1.25
6.89×3.7+0.689×63
1.01×78
2023×9.99+20.23
①16.4÷25÷4
②6.9×3.6+3.6×3.1
③14.4＋1.25÷0.5
④(16.8+4.9)÷0.7
12.5×5.6×0.8 4.6×1.01
14.89-2.3×0.9-0.93 0.4×[10-(9.4-5.4)]
7.62＋2.5×8 9.8÷1.4－1.5
2.5×71.71×0.4 1.25×9.93－1.93×1.25