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神算子挑战赛-减法,极速提升减法运算能力 app for iPhone and iPad


4.6 ( 2576 ratings )
Education Book
Developer: 丽娜 张
Free
Current version: 1.2, last update: 6 years ago
First release : 23 Jul 2013
App size: 15.4 Mb

A calculating game parents and kids can play together to achieve incredible improvement!

-----Calculating Genius Competition - Subtraction
Train the comprehensive subtraction skills!
Greatly improve leaners correctness and speed of subtraction within an idealy short period!
Challenge calculating geniuses around the world!
Cultivate concentration habits in learning.

-----Incredible!
After 2-3 weeks of playing the game, even pre-school kids can do much better in calculation than primary students without special training!

-----Contents
The game, designed carefully and based on the learning habits of young kids, consists of 19 progressive levels, which scientifically involve factors such as numbers, terms, borrows, subtraction skills.

-----Knack!
80 marks secure the clearing of each level. It is, however, strongly suggested: Do each level several times to get the highest marks possible (>1000), make sure to be the winner in the competition!

-----level Information
Level:4 Minuend :<15 Terms:2 Borrows: 0/1 Secs/Per :5
Level:5 Minuend :<20 Terms:2 Borrows: 0/1 Secs/Per :5
Level:6 Minuend :<20 Terms:3 Borrows: 0 Secs/Per :8
Level:7 Minuend :<20 Terms:3 Borrows: 1 Secs/Per :8

Level:8 Minuend :<50 Terms:2 Borrows: 0 Secs/Per :8
Level:9 Minuend :<50 Terms:2 Borrows: 1 Secs/Per :8
Level:10 Minuend :<100 Terms:2 Borrows: 0 Secs/Per :8
Level:11 Minuend :<100 Terms:2 Borrows: 1 Secs/Per :8
Level:12 Minuend :<100 Terms:3 Borrows: 0 Secs/Per :12
Level:13 Minuend :<100 Terms:3 Borrows: 1 Secs/Per :12

Level:14 Minuend :<1000 Terms:2 Borrows: 0 Secs/Per :12
Level:15 Minuend :<1000 Terms:2 Borrows: 1 Secs/Per :12
Level:16 Minuend :<1000 Terms:2 Borrows: 2 Secs/Per :15
Level:17 Minuend :<1000 Terms:3 Borrows: 0 Secs/Per :15
Level:18 Minuend :<1000 Terms:3 Borrows: 1 Secs/Per :15
Level:19 Minuend :<1000 Terms:3 Borrows: 2 Secs/Per :15