簡單數學8題

1) 684
2) 341
3) -312
4) 2016
5) 1782
6) 7406
7) 1666
8) 15939

1 .56x12+12= 672+12=684
2. 231-456+566=-225+566=341
3. 912-1236+12=-324+12=-312
4. 56x36=2016
5. 988+363-125+556=1351-(-431)=1782
6. 322x23=7406
7.665-122+1123=543+1123=1666
8.693x23=15939

1 .56x12+12=684

2. 231-456+566=341

3. 912-1236+12=-312

4. 56x36=2016

5. 988+363-125+556=1782

6. 322x23= 7406

7.665-122+1123=1666

8.693x23=15939

1.684
2.341
3.312
4.2016
5.1782
6.7406
7.1666
8.15939

Hope i can help u

1.684
2.341
3.-312
4.2016
5.1782
6.7406
7.1666
8.15939

這些數用計數機也能輕易的計到阿~~

2012-10-06 23:35:04 補充：
發問者，你第七題及第八題應該隔一隔才打算式，不然會誤會或看成「7.665-122+1123」及「8.693x23」，即會變成小數，計出來也會變另一個數~~

1 .56x12+12=684
2. 231-456+566=323
3. 912-1236+12=336
4. 56x36=2016
5. 988+363-125+556=1782
6. 322x23=7406
7.665-122+1123=1676
8.693x23=15939

1.56x12+12=684
2.231-456+566=341
3.912-1236+12=-312
4.56*36=2016
5.988+363-125+566=1792
6.322*23=7406
7.665-122+1123=1666
8.693*23=1593

2012-10-06 19:31:19 補充：
8.693*23=15939

1 .56x12+12=684
2. 231-456+566=341
3. 912-1236+12=-312
4. 56x36=2016
5. 988+363-125+556=1782
6. 322x23=7406
7.665-122+1123=1666
8.693x23=15939

1. 684

2. 341

3. -312

4. 2016

5. 1782

6. 7406

7. 1666

8. 15939

1 .56x12+12=684

2. 231-456+566=341

3. 912-1236+12=-312

4. 56x36=2016

5. 988+363-125+556=1782

6. 322x23= 7406

7.665-122+1123=1666

8.693x23=15939

1.684
2.341
3.312
4.2016
5.1782
6.7406
7.1666
8.15939

Hope i can help u