简便计算方法如图所示
18.7x3.6+3.2x37.4
=18.7x3.6+3.2x2×18.7
=18.7x3.6+6.4x18.7
=18.7x(3.6+6.4)
=18.7x10
=187
原式=37.4x(1.8+3.2)
=37.4x5
=187
18.7x3.6+3.2x37.4简便计算是多少?
18.7x3.6+3.2x37.4
=18.7x3.6+3.2x2×18.7
=18.7×(3.6+6.4)
=18.7×10
=187
18.7x3.6+3.2x37.4
=18.7x3.6+3.2x2×18.7
=18.7×(3.6+6.4)
=18.7×10
=187