Question

3.7*0.35+0.37*4.5+0.037*2简便计算

Answer 1

3.7*0.35+0.37*4.5+0.037*2
=3.7*0.35+3.7*0.45+3.7*0.01*2
=3.7*（0.35+0.45+0.02）
=3.7*（0.8+0.02）
=3.7*0.8+3.7x0.02
=2.96+0.074
=3.034

Answer 2

3.7*0.35+0.37*4.5+0.037*2
=3.7×0.35+0.37×4.5+0.037×2
=0.37×3.5+0.37×4.5+0.37×0.2
=0.37×(3.5+4.5+0.2)
=0.37×8.2
=0.4×8.2-0.03×8.2
=3.28+0.246
=3.626

Answer 3

3.7*0.35+0.37*4.5+0.037*2
=0.37x10x0.35+0.37x4.5+0.37x0.1x2
=0.37x3.5+0.37x4.5+0.37x0.2
=0.37x(3.5+4.5+0.2)
=0.37x8.2=0.37x(10-2+0.2)=0.37x10-0.37x2+0.37x0.2=3.7-0.74+0.074=3.034

Answer 4

=3.7*（0.35+0.45）+0.037*2
=3.7*（0.8）+0.037*2
=3.7*0.8+0.074
=2.97+0.074
=3.034