Question

7.35×12.1+26点5×1.21简便运算，七点35×12点一加26点5×1点二一简便运算？

Answer 1

7.35×12.1+26点5×1.21简便运算，七点35×12点一加26点5×1点二一简便运算？
把26.5缩小10倍，变成2.65
把1.21扩大10倍，变成12.1

7.35x12,1+26.5x1.2
=7.35x12.1+2.65x12.1
=12.1x（7.35+2.65）
=12.1x10
=121

Answer 2

7.35×12.1+26.5×1.21＝7.35×12.1+26.5÷10×10×1.21＝7.35×12.1+2.65×12.1＝（7.35+2.65）×12.1＝10×12.1＝121