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(1/4×-8/7)-(3/7÷21/49) |
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Answer» -9/7 Step-by-step EXPLANATION: (1/4×-8/7)-(3/7÷21/49) (-8/28)-(3/7×49/21) (-2/7)-(147/147) -2/7-1 -2-7/7 -9/7 |
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