1.5×1.3×4 2.7+3.1+2.9+3.2 25﹣4.9﹣6.1
3.5×4.8+2.2×2.4 131+132+130+129 （13+5.2）÷1.3．
1.5×1.3×4 2.7+3.1+2.9+3.2 25﹣4.9﹣6.1
3.5×4.8+2.2×2.4 131+132+130+129 （13+5.2）÷1.3．
试题篮
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