(1)19.5÷2.5×4
(2)5.2×6.4﹣5.4×5.2
(3)0.8×7×1.25
(4)(7.5﹣2.4×0.3)÷0.01
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
0.25×5.8×4
7.2×1.25
8.3+1.7×0.2
10.1×67.8﹣6.78
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
①0.53×2.5+
②25×0.032×12.5
③ [()×]
④6.83+17.9﹣0.83+32.1
①25×32×1.25
②(+0.375)÷(×)
③×+÷7
④6﹣(+)
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]