6.88×3.43+ 6.86×1.56=
1个回答
6.88×3.43+ 6.86×1.56
=3.44×6.86+ 6.86×1.56
=(3.44+1.56)+×6.86
=5×6.86
=34.3
相关问题
口算.100-43= 56÷14= 18×5= 630÷70= 550÷5= 69÷3= 14×30= 24+86= 6
口算.100-43= 56÷14= 18×5= 630÷70= 550÷5= 69÷3= 14×30= 24+86= 6
简便计算:1.50.6²-49.4² 2.56²-88×56+44²
用简便方法计算1.25×17×88.3×2.6-8.3×1.67.8+0.56+2.2341+127+59+173130
3.6×31.4+43.9×6.4.
3.6×31.4+43.9×6.4.
3.6×31.4+43.9×6.4.
3.6×31.4+43.9×6.4.
看谁算得又对又快20×6=40-18=12×4=3000+40=30×70=120×3=43+34=11×60=88-6
计算56×6+0.6×236.5+3.5×0.6