Question

2.36×7.2+23.6×0.8，用简便运算怎么算？

Answer 1

2.36×7.2+23.6×0.8
=2.36×（7.2+8）
=1.18×2×15.2
=1.18×30.4
=1.18×30+1.18×0.4
=35.4+0.472
=35.872

Answer 2

2.36x7.2+23.6x0.8
=2.36x7.2+2.36x8
=2.36x(7.2+8)
=2.36x(10+5+0.2)
=23.6+11.8+0.472
=35.4+0.472
=35.872。

Answer 3

2.36×{7.2+0.8}