3.14×45.2-6.28×20.8+1.57×92.8 运用简便算法
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3.14×45.2-6.28×20.8+1.57×92.8运用简便算法3.14×45.2-6.28×20.8+1.57×92.8运用简便算法3.14×45.2-6.28×20.8+1.57×92.8运
3.14×45.2-6.28×20.8+1.57×92.8 运用简便算法
3.14×45.2-6.28×20.8+1.57×92.8 运用简便算法
3.14×45.2-6.28×20.8+1.57×92.8 运用简便算法
3.14×45.2-6.28×20.8+1.57×92.8
=3.14×45.2-3.14×41.6+3.14×46.4
=3.14×(45.2-41.6+46.4)
=3.14×50
=157
3.14×45.2-6.28×20.8+1.57×92.8 运用简便算法
-3.14*35.2+6.28*(急
-3.14×35.2+6.28×(-23.3)-1.57×36.4
-3.14×35.2+6.28×(-23.3)-1.57×36.4
3.14-6.28+9.42-12.56+15.7-18.84+47.1
-3.14×35.2+6.28×(-23.2)-1.57×36.8
-3.14×33.2+6.28×(-24.3)-1.57×36.4
计算:3.14^2+6.28×0.86+0.86^2
-3.14乘以35.2+6.28乘以(-32.4)=
比较大小 3.14+派()6.28
3.14 * x^2 = 6.28读作:
-3.14*35.2+6.28*(-23.3)-1.57*36.4
3.14x=6.28+xX=?
2*3.14x*x=6.28
-3.14*35.2+6.28*(-23.3)-1.57*36.4
-3.14×35.2+6.28×(-23.3)-1.57×36.4
简便计算:-3.14*35.2+6.28*(-23.3)-1.57*36.4
6.28×负23.3-3.14×35.2-1.57×36.4用简便计算