17.脱式计算(能简算的要简算).
0 157948 157956 157962 157966 157972 157974 157978 157984 157986 157992 157998 158002 158004 158008 158014 158016 158022 158026 158028 158032 158034 158038 158040 158042 158043 158044 158046 158047 158048 158050 158052 158056 158058 158062 158064 158068 158074 158076 158082 158086 158088 158092 158098 158104 158106 158112 158116 158118 158124 158128 158134 158142 199269
9.2+0.8×2.3 | 4.1×2.6+2.6×5.9 | 12×(17.4-9.6) |
4×5.34×2.5 | 1.83+8.5+98.17+1.5 | (8+0.8)×1.25 |