7.4×9.9 0.16×0.25×0.125
2.5×167-25×0.7 5.85+0.45×3.2
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
4.6×2.8+5.4×2.8
78÷2.5÷0.4
12.5×3.2×25
102×0.15
0.25×39+0.25
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
5.4+4.6÷0.2 0.8×0.4×1.25×2.5 9.75÷1.5+9.75÷2.5
8.9×10.1 3.6×6.5+36×0.45-3.6
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÷[()×]