43 + ____= 50 75+____=80 34+____=40 67+____=70 72+____=80 58+____=63 36+____ =45 89+____ =96 74+ ____=81 68+ ____ =76 36- ____ =28 94- ____ =89 52 - ____ = 45 61- ____ = 54 88- ____ =79

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