题目内容
| 脱式计算,第一步是关键. 2元7角6分×6 | 90÷5 |
| 54÷6 | 84÷6×7 |
| 228×(4-2) | 495-95×3 |
| 63÷3+4 | 405×5-5 |
| 96÷4÷3 | 1010-232+897 |
| 4800-568+1206 |
2元7角6分×6
=(2元×6)+(7角×6)+(6分×6 )
=12元42角36分
=12元+4元2角+3角6分
=16元5角6分
90÷5=18
54÷6=9
84÷6×7
=14×7
=98
228×(4-2)
=228×2
=456
495-95×3
=495-285
=210
63÷3+4
=21+4
=25
405×5-5
=2025-5
=2020
96÷4÷3
=24÷3
=8
1010-232+897
=778+897
=1675
4800-568+1206
=4232+1206
=5438
=(2元×6)+(7角×6)+(6分×6 )
=12元42角36分
=12元+4元2角+3角6分
=16元5角6分
90÷5=18
54÷6=9
84÷6×7
=14×7
=98
228×(4-2)
=228×2
=456
495-95×3
=495-285
=210
63÷3+4
=21+4
=25
405×5-5
=2025-5
=2020
96÷4÷3
=24÷3
=8
1010-232+897
=778+897
=1675
4800-568+1206
=4232+1206
=5438
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