Mathematics
Junior High
Resolved
計算合ってますか？
No
Date
① 45°-35
=(45+35)×(45-35)
80 × (0
- 800
2
②
76-24
(76t24)x(76-24)
(00 × 52
2
ニ
5200
(98°-982
((98+98)x (198-98)
= 1196×(00
(19600
ニ
ニ
② 4×39
3 (40+1)x(40-1)
40-12
1600-1- 1599
2
(02
(100+2)
100°+ 400+チ
10904
ニ
ニ
992
(100-1)
-100-200 + |
9801
ニ
ニ
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