7.たし算とひき算の レッスン4
[もどる]
[すすむ]
【1】つぎのひき算を暗算でしましょう。
@ 100 − 47 =
26
31
36
53
73
A 100 − 55 =
35
45
60
B 100 − 32 =
47
57
68
88
C 100 − 19 =
11
31
81
89
D 100 − 23 =
47
48
68
70
77
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