求4.44×16+ 2.22×32简便计算?

2025-04-05 03:34:26
推荐回答(2个)
回答1:

原式=2×2.22×16 + 2.22×32
=2.22×32 + 2.22×32
=2.22×(32+32)
=2.22×(60+4)
=2.22×60 + 2.22×4
=133.2 + 8.88
=142.08

回答2:

原式=16x(4.44+2.22x2)
=16x8.88
=10x8.88+6x8.88
=88.8+53.28
=142.08