Question

计算下面各题，能简算的要简算．9.5×1.06-2.52÷2.43.4×0.26+0.74×3.4 1.25×32×0.87.09×99+7.0968.

计算下面各题，能简算的要简算．9.5×1.06-2.52÷2.43.4×0.26+0.74×3.4 1.25×32×0.87.09×99+7.0968.5+31.5÷（0.29+0.41）0.4×5÷0.4×5．

Answer 1

（蔽羡核派肢1）9.5×1.06-2.52÷2.4
=10.07-1.05
=9.02；

（2）3.4×0.26+0.74×3.4 
=3.4×（0.26+0.74）
=3.4×1
=3.4；

（3）1.25×32×0.8
=（1.25×0.8）×32
=1×32
=32；

（4）7.09×99+7.09
=7.09×（99+1）
=7.09×100
=709；

（宏掘5）68.5+31.5÷（0.29+0.41）
=68.5+31.5÷0.7
=68.5+45
=113.5；

（6）0.4×5÷0.4×5
=2÷0.4×5
=5×5
=25．