9.99×12-2.22×4简便计算
答案:2 悬赏:30 手机版
解决时间 2021-02-12 06:55
- 提问者网友:蓝琪梦莎
- 2021-02-11 13:06
9.99×12-2.22×4简便计算
最佳答案
- 五星知识达人网友:神的生死簿
- 2021-02-11 14:20
简便计算
9.99×12-2.22×4
=1.11×108-1.11×8
=1.11×(108-8)
=1.11×100
=111
9.99×12-2.22×4
=1.11×108-1.11×8
=1.11×(108-8)
=1.11×100
=111
全部回答
- 1楼网友:逐風
- 2021-02-11 15:27
9.99×12-2.22×4
=1.11×9×12-1.11×2×4
=1.11×(108-8)
=1.11×100
=9.99×12-2.22×4
=(10-0.01)x12-(2+0.22)x4
=120-0.12-8-0.88
=112-(0.12+0.88)
=112-1
=9.99×12-2.22×4
=10x12-(0.12-22X4)
=120-(0.12-8.88)
=9.99×12-2.22×4
=1.11*9*12-1.11*2*4
=1.11*(108-8)
=1.11*100
=是对方的身份
=1.11×9×12-1.11×2×4
=1.11×(108-8)
=1.11×100
=9.99×12-2.22×4
=(10-0.01)x12-(2+0.22)x4
=120-0.12-8-0.88
=112-(0.12+0.88)
=112-1
=9.99×12-2.22×4
=10x12-(0.12-22X4)
=120-(0.12-8.88)
=9.99×12-2.22×4
=1.11*9*12-1.11*2*4
=1.11*(108-8)
=1.11*100
=是对方的身份
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