Réponse:
A=9×5+23
A=45+23
A=68
B=2÷2=1
B=1×7-2×7
B=7-2×7
B=7-8×1
B=7-8
B=-1
C=1×10
C=1×100
C=100
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Réponse:
A=9×5+23
A=45+23
A=68
B=2÷2=1
B=1×7-2×7
B=7-2×7
B=7-8×1
B=7-8
B=-1
C=1×10
C=1×100
C=100