calculati : (45:5+45:9):7+2×10:10 ; (100-60-30)×5+(10-6:3):8 ; (9×7-6:3)-(81-8×8) ; 73-4×3+(53-24:8×6) ; (14+8:8):5+5-(29-3:3):4 .
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(45:5+45:9):7+2×10:10=4
(100-60-30)×5+(10-6:3):8=51
(9×7-6:3)-(81-8×8)=44
73-4×3+(53-24:8×6)=96
(14+8:8):5+5-(29-3:3):4=1
(100-60-30)×5+(10-6:3):8=51
(9×7-6:3)-(81-8×8)=44
73-4×3+(53-24:8×6)=96
(14+8:8):5+5-(29-3:3):4=1
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